1. The speed _____ light travels is very high.

　　A.which B.at which

　　C.in which D.with which

　　2. Does he have difficulty _____ English?

　　A. to speak B. speak

　　C. speaking D. spoke

　　3. In winter we go _____ on the hill.

　　A. skiing B. to ski

　　C. ski D. for ski

　　4. Asked about the new play, ____.

　　A. his answer was confident B. he was confidently answered

　　C. he answered confidently D. his answers were confident

　　5. _____ black clouds covering the sky, he stopped his work and went home.

　　A. To see B. Having been seeing

　　C. Seeing D. having to see

　　6. _____ , the inhabitants fled.

　　A. The city taken B. The city having been taken

　　C. Having taken the city D. The city being taken

　　7. _____ , he works very late at nigh.

　　A. Having been choosing director B. Choosing director

　　C. Having chosen director D. Being chosen director

　　8. She apologized for _____ the party.1.

　　A. not her being able to attend B. her not being able to attend

　　C. her being able not to attend D. her being notable to attend

　　9. I advised _____ , but he turned me a deaf ear.

　　A. him not to smoke again B. him to smoke not again

　　C. him to not smoke again D. not him to smoke again

　　10. _____ a satisfactory answer,so he had to writhe to them again.

　　A. As he hadn’t received B. Not having received

　　C. Having not received D. He hadn’t received

　　11. The reason _____ I can’t come is that I have to prepare for the coming exam.

　　A. for B. as

　　C. because D. why

　　12. She studied hard at school when she was young; _____ contributes to her success in her career.

　　A. that B. so that

　　C. so D. which

　　13. I’ve got a bottle of beer, but I haven’t got anything _____ I can open it with.

　　A. that B. what

　　C. where D. which

　　14. _____ the day went on，the weather got worse.

　　A. With B. Since

　　C. While D. As

　　15. It wasn’t such a good present _____ he had promised me.

　　A. that B. as

　　C. which D. what