非謂語動詞(一)
1. When he was a boy, he used to go there and watch _____.
A. to repair bicycles
B. bicycles to be repaired
C. bicycles being repaired
D. repairing bicycles
2. --- Have you considered _____ your job as a teacher?
--- Yes. I like the job because a teacher is often considered _____ a gardener.
A. to change; to be B. to change; being
C. changing; being D. changing; to be
3. The dog, _____, will be made a good watchdog.
A. to train properly
B. being trained properly
C. properly to train
D. trained properly
4. _____ the diamond, he had to look for a place to hide it.
A. Having stolen B. Having been stolen
C. Stolen D. Stealing
5. _____ the front door _____, he had to enter the room through the back door.
A. Seen; painted
B. Seeing; painted
C. Being seen; being painted
D. Seeing; being painted
6. And there, almost _____ in the big chair, sat her little brother, who never had to be told to keep quiet.
A. having lost B. losing C. to be lost D. lost
7. He looked around and caught a man _____ his hand into the pocket of a passenger.
A. put B. to be putting C. to put D. putting
8. To answer correctly is more important than _____.
A. that you finish quickly
B. finishing quickly
C. to finish quickly
D. finish quickly
9. The old farmer, _____ the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.
A. supporting B. having supported
C. being supported by D. being supported
10. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
11. It was getting dark; I found a car _____ in a pool by the side of the road.
A. to be stuck B. stuck C. sticking D. stick
12. You can’t imagine what great trouble they have _____ the problem _____.
A. to solve; being talked about
B. solving; discussing
C. to solve; to talk about
D. solving; being discussed
13. The monument was built in honor of the explorer who was believed _____ the river.
A. to have discovered
B. to have been discovered
C. to discover
D. having been discovered
14. The thief fell to the ground, his left foot _____ and blood _____ down from his mouth.
A. breaking; running B. broken; running
C. breaking; run D. broken; run
15. The program was so exciting that the children kept their eyes _____ on the screen.
A. to fix B. to be fixed C. fixed D. fixing
16. As I will be away for at least a year, I’d appreciate _____ from you now and then so that I can know how everyone is getting along.
A. having heard B. to hear
C. hearing D. being heard
17. _____, the subject was always in my mind.
A. Walking or sleeping
B. Walking or slept
C. Having walked or slept
D. To walk and sleep
18. --- Did you get a dictionary?
--- No, I _____, but there were not any _____.
A. tried; to be left B. had tried to; leaving
C. tried to; left D. had tried; have left
19. When he came to, he found himself _____ on a chair, with his hands _____ back.
A. to sit; tying B. sitting; tying
C. seating; tied D. seated; tied
20. The joke told by Tom made us _____, so the teacher couldn’t make himself _____.
A. to laugh; hearing
B. laughing; heard
C. laughing; hear
D. laughed; heard
21. All of the flowers now _____ here have developed from those once _____ in the forest.
A. raised; grown B. rising; growing
C. raised; growing D. rising; grown
22. Henry can’t attend the party _____ at Tom’s house at present because he is preparing the speech at the party _____ at Marie’s house tomorrow.
A. held; being held B. to be held; to be held
C. to be held; held D. being held; to be held
23. Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
A. prepare B. preparing C. prepared D. having prepared
24. Don’t worry. I’ll have it _____ and get someone _____ it to you tomorrow.
A. typed; send B. to type; to send
C. type; send D. typed; to send
25. The sun was shining brightly, _____ everything there _____ more beautiful.
A. making; look
B. to make; looked
C. and made; looking
D. and making; be looked
26. How could he get the plan _____ without any one to support him?
A. to carry out B. carry out
C. carrying out D. carried out
27. New ideas sometimes have to wait for years before _____.
A. being fully accepting
B. fully accepting
C. having fully accepted
D. fully accepted
28. Having passed all the tests, she felt a great weight _____ off her mind.
A. taking B. taken C. take D. to be taken
29. I’m examining the article he has just finished _____ the possible mistakes in it.
A. being corrected B. to correct
C. corrected D. having corrected
30. _____ full preparations, we decided to put off the meeting till next week.
A. We did not make B. Having not made
C. We had not made D. Not having made
31. We should prevent such a silly mistake _____ again.
A. occurring B. to occur
C. to be occurred D. from being occurred
32. I regret _____ hard at school, or I would have succeeded in passing the exam.
A. not to work
B. having not worked
C. to have not worked
D. not having worked
33. They looked forward with hope _____ a chance to receive further education.
A. for getting B. of getting
C. to get D. to getting
34. “Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear.
A. touched B. touching C. touch D. to touch
35. Towards evening, the patient opened his mouth as if _____ something to his son.
A. said B. say C. to say D. to have said
36. --- Would you be _____ lend me your bicycle?
--- Sure.
A. so kind as to B. kind enough as to
C. very kind to D. so kind to
37. The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.
A. of going B. to be going
C. your going D. you to go
38. The teacher asked more _____ to prevent the students’ eyes from being injured.
A. to do B. done C. to be done D. being done
39. Some of the schools in Shanghai have moved one step closer to _____ with the global education community.
A. being connected B. connect
C. having connected D. be connected
40. The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.
A. had intended B. intended
C. being intended D. to intend
41. _____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
A. Tiring; to admire B. Being tired; admiring
C. Tired; to admire D. Tired; admiring
42. The 18-storeyed building, when _____, will shut out the sun _____ up the rooms in my house.
A. completed; lighted
B. completing; lighting
C. completing; lighted
D. completed; lighting
43. --- I hear Warren _____ in a middle school.
--- What? I can’t imagine him _____ as a teacher.
A. teaches; working B. teaches; work
C. teach; to work D. teach; working
44. _____ he’s only been learning English for a year, he speaks it very well.
A. Considered B. Considering
C. Having considered D. To consider
45. It was _____ computer games that cost the boy a lot of time that he ought to have spent on his lessons.
A. to have played B. playing
C. played D. having played
46. At no time does the salesgirl get up late in the morning, for she is always too busy _____ a good rest.
A. to take B. taking C. took D. taken
47. _____ as the most excellent student in her university, as most classmates had expected, made her parents very happy.
A. Mary was chosen
B. Mary chosen
C. Mary being chosen
D. Mary’s being chosen
48. _____ the big snake, the little girl stood under the tree _____ to death.
A. Seeing; frightened B. Seeing; frightening
C. Seen; frighten D. To see; frightening
49. You will see this product made in this factory _____ wherever you go.
A. to be advertised B. advertised
C. advertise D. advertising
50. Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
A. to do B. to have done
C. to be doing D. to have been doing
答案及部分解析：
1-5 CDDAD 6-10 DDCAB 11-15 BDABC 16-20 CACDB 21-25 CDCDA
26-30 DDBBD 31-35 ADDBC 36-40 ACCAB 41-45 CDABB 46-50 ADABB
1. 用-ing形式一般式的被動語態(tài)作賓語補足語，強調(diào)自行車被修理的過程。
2. consider 作“考慮”解時，后常接-ing形式（短語）作賓語；作“認為” 解時，后常接含有名詞、形容詞或to be的復(fù)合結(jié)構(gòu)。
3. 過去分詞短語作條件狀語，相當于if it is trained properly。watchdog看門狗。
4. 從動作發(fā)生的時間來看，應(yīng)是先偷鉆石，再找地方藏匿，故用-ing形式的完成式。
5. see 表示的動作與句子謂語動詞（had to enter）所表示的動作幾乎同時發(fā)生，且與其邏輯主語（he）為主動關(guān)系，故用一般式。由句意“看到前門正在被漆，……”可知，第二空應(yīng)用being painted。
6. lost in the big chair為過去分詞短語在句中作伴隨狀語。此句的正常語序為：Her little brother sat there...
7. catch sb. doing sth. （偶然或突然）發(fā)現(xiàn)或撞見某人正在做某事。
8. 題意為“正確做出答案要比快速完成更重要”。兩個非謂語動詞短語在形式上應(yīng)保持一致。
9. -ing形式的一般式在句中作非限制性定語。
10. 題意為“2004年1月，美國成功地發(fā)射了“勇氣”號火星探測器，標志著人類歷一個新的里程碑”。
11. 由短語be stuck in（陷入）可知此處應(yīng)用過去分詞作賓語補足語。
12. 由have great trouble （in）doing sth.可知第一空應(yīng)用solving; being discussed作定語修飾problem，表示“正在被討論的問題”。
13. 用不定式的完成式表示動作發(fā)生在(定語)從句謂語動作之前。
14. 考查獨立主格結(jié)構(gòu)。foot和break之間是被動關(guān)系，blood和run是主動關(guān)系。
15. 由固定結(jié)構(gòu)fix one’s eyes on/upon...可知此處應(yīng)用過去分詞。
16. appreciate后常接-ing形式（短語）作賓語。
17. 題意為“無論是走路還是睡覺，我總是在想這個問題。”注意：此題中-ing形式短語的邏輯主語與句子的主語并不一致，有的語法家稱其為“垂懸分詞”。又如：Having suffered such heavy pollution already, it may now be too late to clean up the river. （NMET2001）
18. tried to后省去了get one。
19. 由seat的用法(be seated)可知第一空應(yīng)用seated作賓語補足語；with his hands tied back為with的復(fù)合結(jié)構(gòu)在句中作伴隨狀語。
22. 由at present可知第一空應(yīng)用being held（表示正在被進行的動作）；由tomorrow可知第二空應(yīng)用to be held（表示即將被進行的動作）。
23. 由固定短語be (well) prepared for可知此處應(yīng)用過去分詞作賓補。
24. 此處為have sth. done結(jié)構(gòu)和get sb. to do sth. 結(jié)構(gòu)。
26. 考查get sth. done 結(jié)構(gòu)。carry out執(zhí)行。
27. before full accepted相當于before they are fully accepted。
28. feel后可接含有非謂語動詞的復(fù)合結(jié)構(gòu)。此處賓語與賓語補足語之間為被動關(guān)系，故用過去分詞。題意為“所有考試都通過后，她感覺如釋重負?！?BR> 29. 不定式短語在句中作目的狀語。he has just finished 為定語從句。
30. -ing形式短語作原因狀語。not要置于-ing形式之前。
31. prevent sb./sth. (from) doing sth.為固定搭配。occur為不及物動詞。
32. regret doing sth.后悔做過某事；regret to do sth.遺憾（抱歉）地要做……。
33. look forward to doing sth.盼望做某事，注意with hope（滿懷希望地）插入了短語look forward to中。
34. 考查with 的復(fù)合結(jié)構(gòu)。his mouth與touch之間是主動關(guān)系。
35. “as if+不定式短語”在句中作方式狀語。
37. 考查句型It is worthwhile to do sth./doing sth.。I think為插入語。
38. 由ask sb. to do sth.可知此處應(yīng)用不定式。賓語與賓語補足語之間為被動關(guān)系，故用to be done。
39. close to中的to為介詞。be connected with可理解為“與……接軌”。
40. intended to please the audience...相當于which had been intended to please the audience...。
41. tired and out of breath為“形容詞和介詞短語”在句中作狀語。stop to do sth. 停下來去做另外一件事。
42. when completed=when it is completed；lighting up...在此相當于which lights up...。
43. 第一空應(yīng)用一般現(xiàn)在時表示，意為“我聽說沃倫在一所中學(xué)教書”；imagine后常接-ing形式(短語)或-ing形式的復(fù)合結(jié)構(gòu)作賓語。
44. 此處considering為連詞，意為“考慮到”；它還可用作介詞，如：Considering the w eather, he arrives very early考慮到天氣，他算早的啦。
45. 此句是強調(diào)句型，強調(diào)句子的主語playing computer games。
46. 考查too...to...結(jié)構(gòu)。注意：at no time（在什何時候都不）放在句首時,句子要用倒裝
語序。
47. -ing形式的復(fù)合結(jié)構(gòu)作主語時，其邏輯主語常用名詞所有格或形容詞性的物主代詞。as most classmates had expected為非限制性定語從句。
48. seeing the big snake在句中作時間狀語；frightened to death在句中作伴隨狀語。
49. advertise意為“為……登廣告”。made in this factory作定語修飾product; advertised作賓語補足語。
50. 由when young可知此處應(yīng)該用不定式的完成式。
1. When he was a boy, he used to go there and watch _____.
A. to repair bicycles
B. bicycles to be repaired
C. bicycles being repaired
D. repairing bicycles
2. --- Have you considered _____ your job as a teacher?
--- Yes. I like the job because a teacher is often considered _____ a gardener.
A. to change; to be B. to change; being
C. changing; being D. changing; to be
3. The dog, _____, will be made a good watchdog.
A. to train properly
B. being trained properly
C. properly to train
D. trained properly
4. _____ the diamond, he had to look for a place to hide it.
A. Having stolen B. Having been stolen
C. Stolen D. Stealing
5. _____ the front door _____, he had to enter the room through the back door.
A. Seen; painted
B. Seeing; painted
C. Being seen; being painted
D. Seeing; being painted
6. And there, almost _____ in the big chair, sat her little brother, who never had to be told to keep quiet.
A. having lost B. losing C. to be lost D. lost
7. He looked around and caught a man _____ his hand into the pocket of a passenger.
A. put B. to be putting C. to put D. putting
8. To answer correctly is more important than _____.
A. that you finish quickly
B. finishing quickly
C. to finish quickly
D. finish quickly
9. The old farmer, _____ the badly injured and burnt soldier, came out of the burning farmhouse, calling continuously for help.
A. supporting B. having supported
C. being supported by D. being supported
10. In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
11. It was getting dark; I found a car _____ in a pool by the side of the road.
A. to be stuck B. stuck C. sticking D. stick
12. You can’t imagine what great trouble they have _____ the problem _____.
A. to solve; being talked about
B. solving; discussing
C. to solve; to talk about
D. solving; being discussed
13. The monument was built in honor of the explorer who was believed _____ the river.
A. to have discovered
B. to have been discovered
C. to discover
D. having been discovered
14. The thief fell to the ground, his left foot _____ and blood _____ down from his mouth.
A. breaking; running B. broken; running
C. breaking; run D. broken; run
15. The program was so exciting that the children kept their eyes _____ on the screen.
A. to fix B. to be fixed C. fixed D. fixing
16. As I will be away for at least a year, I’d appreciate _____ from you now and then so that I can know how everyone is getting along.
A. having heard B. to hear
C. hearing D. being heard
17. _____, the subject was always in my mind.
A. Walking or sleeping
B. Walking or slept
C. Having walked or slept
D. To walk and sleep
18. --- Did you get a dictionary?
--- No, I _____, but there were not any _____.
A. tried; to be left B. had tried to; leaving
C. tried to; left D. had tried; have left
19. When he came to, he found himself _____ on a chair, with his hands _____ back.
A. to sit; tying B. sitting; tying
C. seating; tied D. seated; tied
20. The joke told by Tom made us _____, so the teacher couldn’t make himself _____.
A. to laugh; hearing
B. laughing; heard
C. laughing; hear
D. laughed; heard
21. All of the flowers now _____ here have developed from those once _____ in the forest.
A. raised; grown B. rising; growing
C. raised; growing D. rising; grown
22. Henry can’t attend the party _____ at Tom’s house at present because he is preparing the speech at the party _____ at Marie’s house tomorrow.
A. held; being held B. to be held; to be held
C. to be held; held D. being held; to be held
23. Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
A. prepare B. preparing C. prepared D. having prepared
24. Don’t worry. I’ll have it _____ and get someone _____ it to you tomorrow.
A. typed; send B. to type; to send
C. type; send D. typed; to send
25. The sun was shining brightly, _____ everything there _____ more beautiful.
A. making; look
B. to make; looked
C. and made; looking
D. and making; be looked
26. How could he get the plan _____ without any one to support him?
A. to carry out B. carry out
C. carrying out D. carried out
27. New ideas sometimes have to wait for years before _____.
A. being fully accepting
B. fully accepting
C. having fully accepted
D. fully accepted
28. Having passed all the tests, she felt a great weight _____ off her mind.
A. taking B. taken C. take D. to be taken
29. I’m examining the article he has just finished _____ the possible mistakes in it.
A. being corrected B. to correct
C. corrected D. having corrected
30. _____ full preparations, we decided to put off the meeting till next week.
A. We did not make B. Having not made
C. We had not made D. Not having made
31. We should prevent such a silly mistake _____ again.
A. occurring B. to occur
C. to be occurred D. from being occurred
32. I regret _____ hard at school, or I would have succeeded in passing the exam.
A. not to work
B. having not worked
C. to have not worked
D. not having worked
33. They looked forward with hope _____ a chance to receive further education.
A. for getting B. of getting
C. to get D. to getting
34. “Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear.
A. touched B. touching C. touch D. to touch
35. Towards evening, the patient opened his mouth as if _____ something to his son.
A. said B. say C. to say D. to have said
36. --- Would you be _____ lend me your bicycle?
--- Sure.
A. so kind as to B. kind enough as to
C. very kind to D. so kind to
37. The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.
A. of going B. to be going
C. your going D. you to go
38. The teacher asked more _____ to prevent the students’ eyes from being injured.
A. to do B. done C. to be done D. being done
39. Some of the schools in Shanghai have moved one step closer to _____ with the global education community.
A. being connected B. connect
C. having connected D. be connected
40. The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.
A. had intended B. intended
C. being intended D. to intend
41. _____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
A. Tiring; to admire B. Being tired; admiring
C. Tired; to admire D. Tired; admiring
42. The 18-storeyed building, when _____, will shut out the sun _____ up the rooms in my house.
A. completed; lighted
B. completing; lighting
C. completing; lighted
D. completed; lighting
43. --- I hear Warren _____ in a middle school.
--- What? I can’t imagine him _____ as a teacher.
A. teaches; working B. teaches; work
C. teach; to work D. teach; working
44. _____ he’s only been learning English for a year, he speaks it very well.
A. Considered B. Considering
C. Having considered D. To consider
45. It was _____ computer games that cost the boy a lot of time that he ought to have spent on his lessons.
A. to have played B. playing
C. played D. having played
46. At no time does the salesgirl get up late in the morning, for she is always too busy _____ a good rest.
A. to take B. taking C. took D. taken
47. _____ as the most excellent student in her university, as most classmates had expected, made her parents very happy.
A. Mary was chosen
B. Mary chosen
C. Mary being chosen
D. Mary’s being chosen
48. _____ the big snake, the little girl stood under the tree _____ to death.
A. Seeing; frightened B. Seeing; frightening
C. Seen; frighten D. To see; frightening
49. You will see this product made in this factory _____ wherever you go.
A. to be advertised B. advertised
C. advertise D. advertising
50. Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
A. to do B. to have done
C. to be doing D. to have been doing
答案及部分解析：
1-5 CDDAD 6-10 DDCAB 11-15 BDABC 16-20 CACDB 21-25 CDCDA
26-30 DDBBD 31-35 ADDBC 36-40 ACCAB 41-45 CDABB 46-50 ADABB
1. 用-ing形式一般式的被動語態(tài)作賓語補足語，強調(diào)自行車被修理的過程。
2. consider 作“考慮”解時，后常接-ing形式（短語）作賓語；作“認為” 解時，后常接含有名詞、形容詞或to be的復(fù)合結(jié)構(gòu)。
3. 過去分詞短語作條件狀語，相當于if it is trained properly。watchdog看門狗。
4. 從動作發(fā)生的時間來看，應(yīng)是先偷鉆石，再找地方藏匿，故用-ing形式的完成式。
5. see 表示的動作與句子謂語動詞（had to enter）所表示的動作幾乎同時發(fā)生，且與其邏輯主語（he）為主動關(guān)系，故用一般式。由句意“看到前門正在被漆，……”可知，第二空應(yīng)用being painted。
6. lost in the big chair為過去分詞短語在句中作伴隨狀語。此句的正常語序為：Her little brother sat there...
7. catch sb. doing sth. （偶然或突然）發(fā)現(xiàn)或撞見某人正在做某事。
8. 題意為“正確做出答案要比快速完成更重要”。兩個非謂語動詞短語在形式上應(yīng)保持一致。
9. -ing形式的一般式在句中作非限制性定語。
10. 題意為“2004年1月，美國成功地發(fā)射了“勇氣”號火星探測器，標志著人類歷一個新的里程碑”。
11. 由短語be stuck in（陷入）可知此處應(yīng)用過去分詞作賓語補足語。
12. 由have great trouble （in）doing sth.可知第一空應(yīng)用solving; being discussed作定語修飾problem，表示“正在被討論的問題”。
13. 用不定式的完成式表示動作發(fā)生在(定語)從句謂語動作之前。
14. 考查獨立主格結(jié)構(gòu)。foot和break之間是被動關(guān)系，blood和run是主動關(guān)系。
15. 由固定結(jié)構(gòu)fix one’s eyes on/upon...可知此處應(yīng)用過去分詞。
16. appreciate后常接-ing形式（短語）作賓語。
17. 題意為“無論是走路還是睡覺，我總是在想這個問題。”注意：此題中-ing形式短語的邏輯主語與句子的主語并不一致，有的語法家稱其為“垂懸分詞”。又如：Having suffered such heavy pollution already, it may now be too late to clean up the river. （NMET2001）
18. tried to后省去了get one。
19. 由seat的用法(be seated)可知第一空應(yīng)用seated作賓語補足語；with his hands tied back為with的復(fù)合結(jié)構(gòu)在句中作伴隨狀語。
22. 由at present可知第一空應(yīng)用being held（表示正在被進行的動作）；由tomorrow可知第二空應(yīng)用to be held（表示即將被進行的動作）。
23. 由固定短語be (well) prepared for可知此處應(yīng)用過去分詞作賓補。
24. 此處為have sth. done結(jié)構(gòu)和get sb. to do sth. 結(jié)構(gòu)。
26. 考查get sth. done 結(jié)構(gòu)。carry out執(zhí)行。
27. before full accepted相當于before they are fully accepted。
28. feel后可接含有非謂語動詞的復(fù)合結(jié)構(gòu)。此處賓語與賓語補足語之間為被動關(guān)系，故用過去分詞。題意為“所有考試都通過后，她感覺如釋重負?！?BR> 29. 不定式短語在句中作目的狀語。he has just finished 為定語從句。
30. -ing形式短語作原因狀語。not要置于-ing形式之前。
31. prevent sb./sth. (from) doing sth.為固定搭配。occur為不及物動詞。
32. regret doing sth.后悔做過某事；regret to do sth.遺憾（抱歉）地要做……。
33. look forward to doing sth.盼望做某事，注意with hope（滿懷希望地）插入了短語look forward to中。
34. 考查with 的復(fù)合結(jié)構(gòu)。his mouth與touch之間是主動關(guān)系。
35. “as if+不定式短語”在句中作方式狀語。
37. 考查句型It is worthwhile to do sth./doing sth.。I think為插入語。
38. 由ask sb. to do sth.可知此處應(yīng)用不定式。賓語與賓語補足語之間為被動關(guān)系，故用to be done。
39. close to中的to為介詞。be connected with可理解為“與……接軌”。
40. intended to please the audience...相當于which had been intended to please the audience...。
41. tired and out of breath為“形容詞和介詞短語”在句中作狀語。stop to do sth. 停下來去做另外一件事。
42. when completed=when it is completed；lighting up...在此相當于which lights up...。
43. 第一空應(yīng)用一般現(xiàn)在時表示，意為“我聽說沃倫在一所中學(xué)教書”；imagine后常接-ing形式(短語)或-ing形式的復(fù)合結(jié)構(gòu)作賓語。
44. 此處considering為連詞，意為“考慮到”；它還可用作介詞，如：Considering the w eather, he arrives very early考慮到天氣，他算早的啦。
45. 此句是強調(diào)句型，強調(diào)句子的主語playing computer games。
46. 考查too...to...結(jié)構(gòu)。注意：at no time（在什何時候都不）放在句首時,句子要用倒裝
語序。
47. -ing形式的復(fù)合結(jié)構(gòu)作主語時，其邏輯主語常用名詞所有格或形容詞性的物主代詞。as most classmates had expected為非限制性定語從句。
48. seeing the big snake在句中作時間狀語；frightened to death在句中作伴隨狀語。
49. advertise意為“為……登廣告”。made in this factory作定語修飾product; advertised作賓語補足語。
50. 由when young可知此處應(yīng)該用不定式的完成式。