45. All through his life Abraham Lincoln fought _____ an end of slavery(奴隶制度).

A. against                   B. for                   C. with                D. up

44. You made the same mistake for ________ second time, dropping ________ “n” in the word government.

A. a; the                        B. a; an                 C. the; an                    D. a; a

43. During the working hours all the doctors and nurses had to ________ masks and close-fitting white caps because SARS was going around.

A. wear                            B. put on             C. dress                      D. be dressed in

42. You should be playing ________ working indoors; you need some exercise.

A. and                             B. or                   C. instead of             D. in order to

41. Oh, I’m not feeling well in the stomach. I ____ so much fried chicken just now.

A. shouldn’t eat                  B. mustn’t have eaten    

C. shouldn’t have eaten            D. mustn’t eat

40. Noise is unpleasant, ________ when you’re trying to get some sleep.

A. generally      B. usually       C. specially     D. especially

39. --- You haven’t done it well, I’m afraid.

--- But I did it the way _______ you told me.

A. 不填         B. how         C. what        D. which

38. If you don’t go there, _________.

A. so will I      B. neither will I      C. I won’t, too           D. nor do I

37. He called the police for help, _______ that the problem was more than he could deal with.

A. having been realized                       B. to realize    

C. realizing                      D. realized         

36. This is the place _____ I visited three years ago.

A. where　 　　 B. that                   C. in which                 D. there