11.He was busily engaged ______ writing letters.
A. on B. in C. with D. by
12.Do remember to ______ the light when you leave the room.
A. turn up B. turn on C. turn off D. turn down
13.The atmosphere consists of an ocean of gases ______ miles high.
A. hundreds B. hundreds of C. of hundreds D. of hundreds of
14.Not only the students but also the old teacher ______ been changed.
A. was B. were C. has D. have
15.—— ________ I had!
—— You really suffered a lot.
A. What a time B. What time C. How a time D. how time
答案:
11.正确答案:B答案解析:be engaged in:从事,忙于。
12.正确答案:C答案解析:根据句意,应该选择“关闭”。句意:离开房间时一定记着把灯关掉。
13.正确答案:B答案解析:译文:大气由上百英里高的气体组成。“hundred,thousand等数词的复数形式+of短语”表示的是不确切的数量。
14.正确答案:C答案解析:not only…but also…是固定搭配,意思是:不但……而且……。它需要遵循就近原则,谓语动词应与the old teacher一致,所以答案是C.
15.正确答案:A答案解析:感叹句分两类:
1:What + n.+主谓部分2:How + adj. / adv. / v.+主谓部分。本题属第一种,但省略了bad,相当于 What a bad time I had! 这是个习惯用语。
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