40. buy 用法：buy sth. for 5 dollars; buy sth. for sb.
Note: 點(diǎn)動(dòng)詞，不能表示買的時(shí)間長(zhǎng)短。
41. but 用法：not…but.. but for next but one , have no choice bu to do sth., all but 幾乎，差一點(diǎn)
Note: do nothing but do sth. nothing前有do，后面的to要省略。Not only… but also…引導(dǎo)的并列句，前倒后不倒。
cannot help/ choose but do sth. 不能不，只能
42. by 用法：by accident, by air/ sea/ train, by and by, by far, by force, by mistake, by chance, by the way
Note: by way of 取道，經(jīng)由。by reason of 由于。by 引導(dǎo)的時(shí)間狀語(yǔ)一般句子用完成時(shí)態(tài)。
43. call 用法： call for / up / back / in / , call on sb. to do sth., pay / make a call on sb. give sb. a call ,on call
Note: call at后面跟地點(diǎn)；call on 后面跟人。
* call vt.叫喊;打電話給… I'll call the roll before class. 課前我要點(diǎn)名。
call on sb 拜訪,號(hào)召 call at 訪問(wèn)(某人的家);(火車、船)?？縞all for 需要 And there's a phone call for you, Mr. Bennett. Bennett先生 有你的電話。
call for sb 去接某人一起去做某事 call off 取消(計(jì)劃,比賽)
call out (call out+to sb.)大聲地叫 call up sb 打電話
call in 請(qǐng)進(jìn)來(lái) We'll call in a couple of days. 我們兩三天後打電話。
44. care 用法：take care of; with care; care for/about
Note: care about表示在乎，常用于否定句；care for表示關(guān)心，喜愛，常用于肯定句。
45. carry 用法：carry表示搬運(yùn)；carry on表示進(jìn)行；堅(jiān)持下去；carry out表示執(zhí)行。
Note: carry沒有方向性，可以表示隨身攜帶。
carry vt.攜帶;運(yùn)載;傳送 Another generation to carry on the Stewart name. 這是承繼Stewart家族香火的新一代。
carry out 進(jìn)行到底,貫徹執(zhí)行 4) Tomorrow, Sandra will carry out the garbage. 明天珊多拉將會(huì)收拾垃圾的。 carry out 是成就、完成的慣用語(yǔ),但在此地,一看便知并非這種意思?？砂阉胂笞鰪膹N房把 garbage 運(yùn)到外面去。
carry on 進(jìn)行下去,堅(jiān)持下去 Another generation to carry on the Stewart name. 這是 承繼Stewart家族香火的新一代。 carry away 拿走,入迷,被...吸引 carry forward 推進(jìn),發(fā)揚(yáng)(精神)
carry off 搶走,奪走/獲得獎(jiǎng)品 carry through 進(jìn)行到底,完成計(jì)劃 carry sb through 使...渡過(guò)難關(guān)
46. case 用法：in case; in case of; in any case; in this/that case
Note: in case后面的狀語(yǔ)從句可以用虛擬語(yǔ)氣，即in case sb. should do的形式。
47. catch 用法：catch the thief; catch fire; catch a cold; catch up with, catch sb. doing sth.
Note: be caught表示陷入困境，如：He was caught in the rain.
catch vt.捉;抓住 vi.接住 We didn't catch anything. 我們什么也沒有釣著。 catch up 趕上
He shut himself away for a month to catch up on his academic work.他與世隔絕一個(gè)月,力圖把功課趕上去。
catch on 勾住,絆倒 catch at 想抓住 A drowning man will catch at a straw. 溺水者見草也要抓;急何能擇。 be caught in the rain 被雨淋 catch up with 趕上某人,補(bǔ)上工作
Note: 點(diǎn)動(dòng)詞，不能表示買的時(shí)間長(zhǎng)短。
41. but 用法：not…but.. but for next but one , have no choice bu to do sth., all but 幾乎，差一點(diǎn)
Note: do nothing but do sth. nothing前有do，后面的to要省略。Not only… but also…引導(dǎo)的并列句，前倒后不倒。
cannot help/ choose but do sth. 不能不，只能
42. by 用法：by accident, by air/ sea/ train, by and by, by far, by force, by mistake, by chance, by the way
Note: by way of 取道，經(jīng)由。by reason of 由于。by 引導(dǎo)的時(shí)間狀語(yǔ)一般句子用完成時(shí)態(tài)。
43. call 用法： call for / up / back / in / , call on sb. to do sth., pay / make a call on sb. give sb. a call ,on call
Note: call at后面跟地點(diǎn)；call on 后面跟人。
* call vt.叫喊;打電話給… I'll call the roll before class. 課前我要點(diǎn)名。
call on sb 拜訪,號(hào)召 call at 訪問(wèn)(某人的家);(火車、船)?？縞all for 需要 And there's a phone call for you, Mr. Bennett. Bennett先生 有你的電話。
call for sb 去接某人一起去做某事 call off 取消(計(jì)劃,比賽)
call out (call out+to sb.)大聲地叫 call up sb 打電話
call in 請(qǐng)進(jìn)來(lái) We'll call in a couple of days. 我們兩三天後打電話。
44. care 用法：take care of; with care; care for/about
Note: care about表示在乎，常用于否定句；care for表示關(guān)心，喜愛，常用于肯定句。
45. carry 用法：carry表示搬運(yùn)；carry on表示進(jìn)行；堅(jiān)持下去；carry out表示執(zhí)行。
Note: carry沒有方向性，可以表示隨身攜帶。
carry vt.攜帶;運(yùn)載;傳送 Another generation to carry on the Stewart name. 這是承繼Stewart家族香火的新一代。
carry out 進(jìn)行到底,貫徹執(zhí)行 4) Tomorrow, Sandra will carry out the garbage. 明天珊多拉將會(huì)收拾垃圾的。 carry out 是成就、完成的慣用語(yǔ),但在此地,一看便知并非這種意思?？砂阉胂笞鰪膹N房把 garbage 運(yùn)到外面去。
carry on 進(jìn)行下去,堅(jiān)持下去 Another generation to carry on the Stewart name. 這是 承繼Stewart家族香火的新一代。 carry away 拿走,入迷,被...吸引 carry forward 推進(jìn),發(fā)揚(yáng)(精神)
carry off 搶走,奪走/獲得獎(jiǎng)品 carry through 進(jìn)行到底,完成計(jì)劃 carry sb through 使...渡過(guò)難關(guān)
46. case 用法：in case; in case of; in any case; in this/that case
Note: in case后面的狀語(yǔ)從句可以用虛擬語(yǔ)氣，即in case sb. should do的形式。
47. catch 用法：catch the thief; catch fire; catch a cold; catch up with, catch sb. doing sth.
Note: be caught表示陷入困境，如：He was caught in the rain.
catch vt.捉;抓住 vi.接住 We didn't catch anything. 我們什么也沒有釣著。 catch up 趕上
He shut himself away for a month to catch up on his academic work.他與世隔絕一個(gè)月,力圖把功課趕上去。
catch on 勾住,絆倒 catch at 想抓住 A drowning man will catch at a straw. 溺水者見草也要抓;急何能擇。 be caught in the rain 被雨淋 catch up with 趕上某人,補(bǔ)上工作