1. _____ for the fact that she broke her leg, she might have passed the exam. (2002)

A. Had it not been B. Hadn’t it been C. Was it not D. Were it not

(A，前半句是与过去事实相反的推测。If it had not been …倒装)

2. If you have really been studying English for so long, it’s about time you _____ able to write letters in English. (1999)

A. should be B. were C. must be D. are

(B，it’s about time that sb. did sth.)

3. _____, I’ll marry him all the same. (2004)

A. Was he rich or poor B. Whether rich or poor

C. were he rich or poor D. Be he rich or poor

(D=whether he is rich or poor)

4.If your car _____ any attention during the first 12 months, take it to an authorized dealer. (98)

A. shall need B. should need C. would need D. will need

(B，与将来事实相反的虚拟语气，“如果你的车在一年内有任何问题，可送到获得授权的经销商那儿去”)

5.It is imperative that students _____ their term **s on time. (2004)

A. hand in B. would hand in C. have to hand in D. handed in

(A，学生必须按时上交他们的学期论文。)

6.If you explained the situation to your solicitor, he ________ able to advise you much better than I can. (2005)

A. would be B. will have been C. was D. were

(A，if从句是对现在情况的假设。)