1 . There is a real possibility that these animals could be frightened, ________ a sudden loud noise.

A．being there	B．should there be
C．there was	D．there having been

2 . ________ for your laziness, you could have finished the assignment by now.

A．Had it not been	B．It were not
C．Weren't it	D．Had not it been

3 . _______before we depart the day after tomorrow，we should have a wonderful dinner party.

A．Had they arrived	B．Would they arrive
C．Were they arriving	D．Were they to arrive

4 . 语法专练
1. Tom wishes that he __________(study) law instead of history when he was in university.
2. The student insisted that he __________(try) his best and he insisted that he __________ (praise).
3. I __________(attend) my cousin’s birthday party last night, but I was not available.
4. They stared at me as if I __________(come) from the outer space.
5. He suggested we __________ (appeal) to the high court against the sentence.
6. —Do you want to drive out?
—No. I’d rather we __________(take) a taxi.
7. But for your instruction, I __________(not make) such great progress.
8. His ship was delayed because of the heavy fog yesterday; otherwise I __________ (pick) him up on time.
9. __________ I followed your advice, I would have had no trouble with my exam.
10. It’s a pity that her husband __________ (attempt) to deal with this problem in such a stupid way.

5 . ________ for the free vegetables,women workers would not have gone to the supermarket so often.

A．If it is not	B．Were it not
C．Had it not been	D．If they were not

6 .        it rain tomorrow, the meeting would be put off.

A．Should	B．Would
C．Could	D．Must

7 . _________ what would happen the following day, they would have reconsidered their thoughts.

A．Did they know

B．Were they to know

C．Had they known

D．should they know

8 . —The rain is coming down so hard!
—________ my umbrella this morning, I wouldn’t be trapped here now.

A．Did I take	B．Had I taken
C．Were I to take	D．Would I take

9 . Had Mary not been hurt in the car accident, ________ the next week’s marathon.

A．she would run	B．she would have run
C．she will run	D．she must have run

10 . I’m sorry. ________ for my illness, I would have come and lent you a helping hand.

A．Were it not

B．If it were not

C．Had it not been

D．If has not been