42. I don't think you can work out the maths problem ____ the teacher's help.

A. since　　　　 　　 B. unless　　　　　 C. because　　　 D. without

41.My uncle lives ____ 105 Huanghe Street. His room is ____ the fifth floor.

A.at;on　　　　 B.td;at　　　　 C.on;in　　　　 D.of;to

40. Mr Wang went to Nanjing ____ October,1998 and came back home ____ the morning of Nov. 5.

A.at;in　　　　 B.on;at　　　　 C.in;on　　　　 D.by;from

39. My father was disappointed ____ the news.

A. by　　　　　 B. about　　　　 　 C. at　　　　　　　 D. on

38. His teacher was angry ____ him ____ his being late.

A.at,with　　　 　　 B.at,for　　　　 　 C.with,for　　　 　 D.with,about

37. She felt disappointed when she found out they had gone swimming____ her.

A. but　　　　　 B. except　　　　 　 C. except for　　 　 D. without

36. We left Xi' an _.___ a very hot summer afternoon.

A. on　　　　　 　　 B.in　　　　　　 　　 C. during　　　　 　 D.by

35. The teacher is busy ____ correcting papers.

A. for　　　　　 　　 B.in　　　　　　 　　 C.on　　　　　　 D.of

34. The teacher is busy ____ teaching.

A.with　　 　　 B.for　　　　　　 C.on　　　　　 　　 D.of

33. ____ the sun, nothing would grow.

A. For　　　　 B.With　　　　　 C. Under　　　　　　 D. Without