21.(2008全国II) Modern equipment and no smoking are two of the things like _______ working here.
A. with B. over C. at D. about
答案：D
解析：本题考查介词。“I like … working here”作定语修饰“the things”，少的是like的宾语，后面是表示关于在这里工作，所以应该用介词about。

22.(2008北京) If you really have to leave during the meeting, you’d better leave _______ the back door.
A. for B. by C. across D. out
答案：B
解析：本题考查介词。这里表示“走”后门出去，用介词by表示“经，由，通过”。

23.(2008天津) Many Chinese universities provide scholarship for students _______ financial aid.
A. in favor of B. in honor of C. in face of D. in need of
答案：D
解析：本题考查介词短语。句意“中国许多大学都为需要资金援助的学生提供奖学金”。In favor of“赞成，支持”；in honor of“向……表示致敬，祝贺”；in face of“面临”；in need of“需要”。

24.(2008安徽) Fred entered without knocking and, very out of breath, sank _______ a chair.
A. on B. off C. into D. to
答案：C
解析：本题考查介词。sank into a chair“一屁股坐在椅子上”。

25.(2008湖北) When she first arrived in China, she wondered what the future might have _______ for her, but now her worries are gone.
A. in need B. in time C. in preparation D. in store
答案：D
解析：本题考查介词短语辨析。这里用have sth. in store表示“准备着，必将发生，就要到来”。

26.(2008浙江) Why are you so anxious? It isn’t your problem _______.
A. on purpose B. in all C. on time D. after all
答案：D
解析：本题考查介词短语辨析。根据前一句可知你没有必要这么担心，这“毕竟”不是你的问题。on purpose表示“故意”；in all表示“总计”；on time表示“按时”；都不符合题意。

27.(2008江苏) – Why do you suggest we buy a new machine?
-- Because the old one has been damaged _______.
A. beyond reach B. beyond repair C. beyond control D. beyond description
答案：B
解析：本题考查beyond的用法。beyond repair无法修理，修不好。

28.(2007山东) I have offered to paint the house _______ a week’s accommodation.
A. in exchange for B. with regard to C. by means of D. in place of
答案：A
解析：本题考查介词短语。in exchange for意为“交换，以此易彼”。根据句意可判断出通过油漆房屋来换一周的食宿。with regard to意为“关于”；by means of意为“用，凭借”；in place of意为“代替”。

29.(2007天津) _______ fire, all exits must be kept clear.
A. In place of B. Instead of C. In case of D. In spite of
答案：C
解析：本题考查介词短语。in case of“以防万一”，根据其宾语fire可判断出“为了防止火灾，一切出口都要清洗干净”。In place of“代替”；instead of“代替，而不是”；in spite of“不管”。

30.(2007浙江) The open-air celebration has been put off _______ the bad weather.
A. in case of B. in spite of C. instead of D. because of
答案：D
解析：本题考查介词。because of“因为”。根据句意可判断出取消露天庆祝大会的原因是恶劣的天气。In case of“假设，万一”；in spite of“不管”；instead of“代替，而不是”。

31.(2007全国I) The manager suggested an earlier date _______ the meeting.
A. on B. for C. about D. with
答案：B
解析：本题考查介词。介词for表示“为了……”，最符合题意。

32.(2007四川) Some students often listen to music _______ classes to refresh themselves.
A. among B. between C. over D. during
答案：B
解析：本题考查介词。between“位于……之间，处在……之间，介于……之间”，表示两者之间。

33. (2007北京) This is a junior school. You should go to a senior school _______ girls of your age.
A. for B. about C. from D. to
答案：A
解析：本题考查介词。for“对于……而言”。根据句意可判断出“你应该去符合你年龄的女子高中读书”。

34.(2007福建) Although _______ my opinion, the old professor didn’t come up with his own.
A. against B. on C. for D. in
答案：A
解析：本题考查介词。against“相反，反对”，against my opinion“反对我的想法”。句意“虽然那位老教授反对我的想法，但他没有提出自己的想法”。