[36] They made an important decision ______ the end of the meeting.
A. in B. by
C. on D. at
[答案] D。 at the end of 固定搭配"在…结尾"，"在…底/末"。
[37] I can hardly heat the radio. Would you please ______?
A. turn it on B. turn it down
C. turn it up D. turn it off
[答案] C。 turn up 开大一些;turn off关掉; turn on 打开;turn down关小一些。
[38] The room ____ voices of the children.
A. filled with B. was filled with
C. full of D. was full with
[答案] B。 be filled with "充满"。
[39] ______ you understand the rule, you can do it well.
A. For B. As
C. Once D. While
[答案] C。 once连词，引导状语从句，"一旦"。
[40] When he was sixty years old, he _____ his hometown.
A. returned B. returned back
C. returned to D. went back
[答案] C。 return 归来，回来，不再和副词back连用。
[41] Please ______ that you have closed all the windows and turned off the lights before you leave the room.
A. make sure B. be sure
C. bring out D. hold up
[答案] A。 be sure 有把握，确信;make sure 务必，一定，千万。
[42] Her boy friend is a tall young man _____ glasses. He likes to ______ a face.
A. wear; make B. wears; makes
C. with; make D. wearing; making
[答案] C。 第一个空用介词短语，表示伴随;第二个空缺一个动词原型。
[43] -----Do you usually take a vacation? -----Yes, I like to go away______.
A. one time this year B. once a year
C. one time a year D. one time in a year
[答案] B。 次数 + a year/ month/ week 是常用固定搭配，表示一年/月/周一次。
[44] -----May I speak to Mr Tom, please? ----- I’m afraid he isn’t in. Would you like to ______ a message?
A. take B. write
C. leave D. tell
[答案] C。 leave a message留口信。
[45] Tom tried to make his parents _____ by making faces.
A. pleased B. pleasing
C. please D. to please
[答案] A。 及物动词的过去分词表示状态。
[46] Do you have trouble ______ the post office?
A. to have found B. with finding
C. to find D. in finding
[答案] D。 have trouble/difficulty in doing sth. 做什么事费力，费劲。
[47] If you _____ finished, I’ll start clearing up.
A. more or less have B. more and less have
C. have more or less D. have more and less
[答案] C。 more or less 或多或少， 大体上，在句中通常位于系动词，助动词，情态动词之后;行为动词之前。
[48] -----Water! -----_________. ------ I can’t eat this. It’s too salty.
A. Yes, sir? B. What?
C. all right? D. Pardon?
[答案] A。 Yes, sir?是服务员响应别人的叫喊，并用疑问语气询问对方喊叫有什么事。
[49] ----- how _____ are you driving now? -----A hundred miles an hour.
A. fast B. long
C. far D. quickly
[答案] A。 问速度，要用how fast提问。
[50] We all write ______, even when there’s not much to say.
A. now and then B. by and by
C. step and step D. more or less
[答案] A。 now and then = occasionally, from time to time, sometimes.
