84. Tom's mother kept telling him that he should work harder but _____ didn't help.

A. he　 B. which　　 C. she　　 D. it

83. _____ is a fact that English is being accepted as an international language.

A. That　 B. This　 C. That　　 D. It

82. I hate _____ when people talk with their mouths full.

A. it　 B. that　　 C. these　　 D. them

81. Is _____ necessary to complete the design before National Day?

A. this　 B. that　 C. it　　　 D. he

80. _____ the day went on, the weather got worse.

A. With　 B. Since　 C. While　　 D. As

79. _____, I have never seen anyone who's as capable as John.

A. As long as I have traveled

B. Now that I have traveled so much

C. Much as I have traveled

D. As I have traveled so much

78. _____ is often the case, we have worked out the production plan.

A. Which　 B. When　 C. What　 D. As

77. Oh, I'm not feeling well in the stomach, I _____ so much fried chicken just now.

A. shouldn't eat　　　　 B. must have eaten

C. should have eaten　　 D. mustn't have eaten

76. --- What's your cousin like?

　 --- ______.

A. He's working hard B. He's tall and kind-hearted

C. He plays football well　 D. He's like his father

75. Here were two kinds of stamps. I couldn't decide ______ to choose. I like ______.

A. which; both　 B. what; both　 C. which; all D. what; all