新概念3課后習題答案：
Lesson 19 1a 2b 3a 4b 5d 6a 7b 8d 9d 10b 11c 12a
新概念3課后習題解析：
1. A正確 could would
2. on what conditions B正確
3. A正確
4. for a great many years B正確
5. D正確
6. 根據(jù)語法規(guī)則，當主語是ambition,goal,hope,idea,intention,mistake,plan,policy,purpose,reaction,suggestion等名詞的時候句子的表語必須是to不定式短語，該不定式短語是說明其內容的
His purpose in life was to seek truth instead of money.
A正確
7. fearing B正確 for fear+of/that
They are working hard for fear that they should fail.
afraid for側重點表示為...感到擔心，害怕失去
8. D正確
9. measured: 慎重的，有節(jié)奏的 regular:強調有規(guī)則的
D正確
10.B正確 go for a walk
I'm going for a trot downthe lane.
11.C正確 sure enough
12.A正確 sensible
Lesson 19 1a 2b 3a 4b 5d 6a 7b 8d 9d 10b 11c 12a
新概念3課后習題解析：
1. A正確 could would
2. on what conditions B正確
3. A正確
4. for a great many years B正確
5. D正確
6. 根據(jù)語法規(guī)則，當主語是ambition,goal,hope,idea,intention,mistake,plan,policy,purpose,reaction,suggestion等名詞的時候句子的表語必須是to不定式短語，該不定式短語是說明其內容的
His purpose in life was to seek truth instead of money.
A正確
7. fearing B正確 for fear+of/that
They are working hard for fear that they should fail.
afraid for側重點表示為...感到擔心，害怕失去
8. D正確
9. measured: 慎重的，有節(jié)奏的 regular:強調有規(guī)則的
D正確
10.B正確 go for a walk
I'm going for a trot downthe lane.
11.C正確 sure enough
12.A正確 sensible