21. I was ______ as to how I could lay my hands on the money.
A. at a loss困惑，茫然不知所措的
B. in charge
C. aware知道的，明白的
D. incapable
22. Senior citizens often fear change. They have found their own level in life and don’t like to ______ from it.
A. escape逃跑，逃脱
B. depart 离开
C. dismiss解散，开除
D. drift漂流
23. Roger gave me some beautiful Japanese stamps in ______ for two records of the Beatles.
A. exchange
B. contact
C. addition
D. need
24. The policeman went from door to door, ______ whether anyone had seen the missing boy.
A. demanding要求，需求
B. inquiring寻求，查究
C. requiring需要，要求
D. searching
25. I’d like to ______ him to you for the position because he’s a very industrious and responsible man.
A. refer 提到，涉及，查阅
B. suggest建议，暗示
C. recommend 推荐，介绍
D. propose 向…提议，建议
26. He is said ______ a book on the extinction of dinosaurs already.
A. to write
B. to have written
C. writing
D. having written
27. You can fly to London this morning ______ you don’t mind changing planes in Paris.
A. provided倘若，如果
B. expect
C. unless
D. so far as只要
28. Only through much practice ______ to master a foreign language.
A. we shall be able
B. we will be able
C. shall we be able
D. can we be able
29. I doubt ______ he will show up as he has promised.
A. that
B. which
C. what
D. whether
30. The children burst into laughter ______ the funny clown appeared on the stage.
A. in case万一，以免
B. the minute= the instant, the second，表示“一…就”
C. since then打那以后
D. for a while暂时，一会儿
31. He was ______ of a reporter than a writer.
A. much
B. many
C. most
D. more more than与其说，不如说…
32. There used to be a map of the world on the wall, ______?
A. did there
B. didn’t there
C. wasn’t there
D. was there
33. She ought to ______ my letter a week ago. But she was busy with her work at that time.
A. have answered
B. answering
C. answer
D. be answered
34. I really appreciate ______ to help me, but I’m sure that I will be able to manage by myself.
A. you to offer
B. your offering appreciate后接动词的ing形式
C. that you offer
D. that you are offering
35. She likes ______ handbags.
A. those small beautiful brown snake-skin
B. those brown beautiful small snake-skin
C. those snake-skin beautiful small brown
D. those beautiful small brown snake-skin形容词修饰名词时
36. The meaning of this poem is very ______; I really don’t understand it.
A. suspicious可疑的，怀疑的
B. doubting
C. obscure模糊的，晦涩的
D. clear-cut确定的，明确的
37. Fresh air, enough exercise and nutritious food ______ to good health.
A. contribute有助于，促进
B. attribute 归因于
C. add
D. distribute分发，分配
38. Whatever he has ______, Ben has got by his own efforts, with help from no one.
A. contained包含，容纳
B. sustained支撑，维持
C. attained达到，获得
D. detained 拘留，阻止
39. Although we still have some problems to overcome, ______ our work has been successful.
A. by all means尽一切方法，一定
B. by and large大体上，基本上
C. in the long run最后，从长远来看
D. in particular 特别地
40. He thought hard but still could not ______ any good idea.
A. come up with
B. come into effect开始奏效
C. come out发芽，出版
D. come on
41. The project was ______ easy, it took us nearly three years to fulfill it.
A. at least
B. on a large scale大规模地
C. anything but决不，根本不
D. nothing but只，仅仅
42. ______ you didn't have a key, I wouldn’t have locked the door.
A. If I know
B. If I knew
C. Had I known
D. Were I to know
43. The rain was so heavy ______ our picnic impossible.
A. to make
B. making
C. as to make so...as to如此…以至于
D. in order to make
44. Several of these washers and dryers are out of order and need ______.
A. to repair
B. to have repaired
C. repairing当need/want/require表需要、要求时，可接doing，也可接to be done
D. being repaired
45. ______ of plastic, the machine is much lighter than those made of steel.
A. To make
B. To have made
C. Made
D. Making