77. Both of them will remember the months and the years ______ they spent in the army.

A. which B. when C. in which　 D. what

76. July 27, 1989 is the day ______ I will never forget, when we had a wonderful time.

A. on which B. when C. whom 　　D. that

75. This is the modern hotel_____ the guests can enjoy the most comfortable things.

A. where B. which C. that 　D. in that

74. He is ______ everyone respects.

A. the person 　　　　　 B. the one which　

C. whom　　　 D. who

73. When they met again, the two friends talked about lots of things and persons ______ we could remember in the school.

A. who　 B. whom　 C. that 　　D. which

72. Joan is one of the best writers who ______ published a lot of books.

A. has　 B. have 　C. have been 　D. are

71. The Science Building is very beautiful, behind ______ there is an orchard.

A. which B. what C. this 　　D. these

70. Those are model workers, some ______ are young fellows.

A. of that B. of whom C. of whoD. of whose

69. All ______ you must do now is to lend us ten dollars, because we haven‘t brought any money with us at the moment.

A. that　 B. what 　C. which 　D. things

68. Do you have anything ___I can do for you?

A. which B. what 　C. else 　D. when