1. Everyone is busy _____ the examination in the classroom.
A. with B. for C. on D. under
答案： A
解析： 注意几个固定搭配： be busy (in) doing sth 忙于做…; be busy with sth 忙于…; busy oneself (in) doing sth 忙于做……; busy oneself with sth 忙于……。
2. I suppose you couldn’t let me borrow your car this evening, _____?
A. couldn’t I B. don’t I
C. could you D. will you
答案：C
解析：suppose 后面的从句中为否定式couldn’t，而主句为肯定式，这是否定后移的用法，后面的反意疑问句要根据从句而定，故反意疑问句用肯定式could you。
3. Smoking is not good _____ you because it can affect your health.
A. for B. at C. to D. on
答案： A
解析： be good for… 对…有好处; be good at… 善长于…。
4. Henry and Bady _____ to the parties at the Trade union every Saturday.
A. are used to go B. use to go
C. used to go D. were used to go
答案： C
解析： be used to do… 被用于做…; used to do… 过去常常…。
5. _____ , the inhabitants fled.
A. The city taken B. The city having been taken
C. Having taken the city D. The city being taken
答案： B
解析： 独立主格结构。
6. In ancient China, people used to send smoke _____ to warn that the enemy were coming.
A. signs B. signals C. symbols D. marks
答案: B
解析: 这个题考四个名词的比较, 其中: signs 迹象; signals 信号; symbols 象征; marks 分数.
7. The icy conditions made our travel dangerous. So _____ going by car we took the underground.
A. instead of B. in addition to
C. as well as D. at the cost of
答案: A
解析: instead of 代替,而不是; in addition to 除了…之外(还有); as well as 也(除…之外), 既…又…; at the cost of 以…为代价. 这道题横线后面是动名词形式,所以选项C和D首先排除.
8. Sometimes my job is boring, but _____ I enjoy it.
A. by contrast B. by nature
C. on the whole D. on the average
答案: C
解析: by contrast 与…相比,后面要跟with, by contrast with与…相比较; by nature 本性,生性; on the whole 总的来说; on the average 平均.
9. I’ll buy the clock _____ it costs.
A. what B. whatever C. where D. however
答案: B
解析: 不管花多少钱,我都买下这个钟.
10. _____ Mr.Wilson is well again, he can travel.
A. Now that B. So far C. Though D. Even if
答案: A
解析: Now that 既然; So far和现在完成时态连用.