6. -No wonder you caught a cold. You 　　　　out last night without a coat.

-I know how silly I was.

A. shouldn’t have gone　　

B. mustn’t have gone

C. couldn’t have gone

D. mightn’t have gone

选A。本题考查“情态动词+have done ”结构的用。mustn’t have gone 是错误的表达，couldn’t have gone 和mightn’t have gone 虽然也有“本不应该做却做了”含义，但其语气远shouldn’t have gone 弱，且它们主要用来表示对过去是否发生某一行为进行推测。

5. - Why were you not at the concert last night?

　 - I ______ a close game between Seattle Sonnies and Miami Bucks.

　A. watched　 　　　　　B. was watching

　C. have watched　　　　 D. had watched

选B。本题考查时态。过去进行时表示过去某段时间正在进行的动作。

4. Smallpox, a kind of disease, has now died 　　.

A. out　　　　 B. away

C. off　　　　 D. down

选A。die out “灭绝，消失”。die away“渐息”；die down“平息”；die off “(花、草)枯死”。

3. The discovery of new evidence led to 　　.

A. the thief having caught　

B. catch the thief

C. the thief being caught

D. the thief to be caught

选C。这句话的意思是：新证据的发现使得小偷束手就擒。to是介词，后面接了动名词的复合结构，the thief是动名词的逻辑主语。

2. -How much farther shall we have to go?

　 -Another five miles until we reach the mountain

　　 　　　.

A. at a distance　　　 B. in a distance

C. at distance　　　　 D. in the distance

选D。考查词组。无B、C结构，at a distance “从某一距离，在某一距离”；in the distance“在远处”。

1.On yesterday interview, he didn’t make a(n) 　　

at all; what’s the matter with him?

A. apology　　　 B. appearance

C. difference　　　 D. change

选B。　make an apology“道歉”；make in an appearance“露面，在场”；make a difference“有变化，有作为”；make a change “有所改动”。题意为“昨天的面试，他根本没露面”。

20. Is Mr. Wang good at drawing his students into 　　

　 discussion?

　 A. lovely　　　 B. lively　　

C. warmly　　 D. seriously

选B。lovely(可爱)，lively(活泼的)，均形容词；后项为副词。根据意应选lively.

19. 　　　　side of the street is lied with different shops, 　　　　of which sell electronic products.

　 A. Both; both　　　 B. Either; all

C. Neither; either　　 D. Either; both

选B。根据句中的is lined with 可知第一空只能填either ，且根据语境可确定第二空填all。

18.- Susan, will you please go and empty the rubbish?

- ______?

A. What for　　　　　　 　　B. What is it

C. How is it　　　　　　 　　D. How come

选A。考查省略及语境。答者不知道为何要倒空垃圾，所以问为什么。

17. Only when _____ possible to settle the problem.

A. does the chief editor come will it be

B. the chief editor comes will it be

C. has the chief editor come it will be

D. the chief editor comes it will be

选B。only修饰状语从句位于句首时，只是主句要部分倒装，而从句是用正常语序。