73.　 Don’t leave the sharp knife ______ our little Jan3e can get it.

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

72.　 The Chicago Bulls was made up of the best basketball players in the states, and ______ were black American.

A. most of them　　 B. most of whom　　 C. most of that　　 D. most of which

71.　 John has been out of ______ for a year and now he’s looking for a ______.

A. works; job　　 B. job; job　　 C. work; work　　 D. work; job

70.　 I can think of many cases ______ students obviously knew a lot of English words and expressions but couldn’t write a good essay.

A. why　　　　 B. which　　　　 C. as　　　　　 D. where

69.　 Our bad living habits will destroy the earth. Only by changing ______ we live ______ save the earth.

A. that; can we　　 B. what; can we　　 C. how; can we　　 D. where; we can

68.　 The teacher couldn’t make himself ______ attention to ______ the students were so noisy.

A. to pay; because　 B. to be paid; as　　 C. paid; because　　 D. pay; because

67.　 It’s high time you ______ your precious time to business.

A. devote　　　 B. will devote　　　 C. devoted　　　 D. would devote

66.　 Mike didn’t notice Mary entering his room. He ______ a phone call.

A. has answered　 B. answered　 C. is answering　 d. was answering

65.　 It is advised that the meeting ______ until next week.

A. will be put off　 B. is put off　 C. be put off　 D. put off

64.　 The humans are destroying nature day by day, ______ of course, will cause severe punishment form it sooner or later.

A. when　　　 B. who　　　 C. which　　　　 D. on which