15. Only when _______possible to settle the problem.

A.　　 does the chief editor(主编)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

14. John was given the same suitcase his father and grandfather ___ with them to school.

A. took　　　　 B. had taken　　　 C. were taking　 ks　　 D. would take

13. -My room gets very cold at night.

-___________.

A. So is mine　　 B. So mine is　　 　C. So does mine　　　 　 D. So mine does

12. Nothing but stamps and envelopes ________ for sale.

A. are　　　　 B. is　　　　　 C. are left　　　　 D. remain

11. ______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.

A. Reminding　 　 B. Reminded　　 　 C. To remind　　 D. Having reminded

10. The house I grew up_______ has been taken down and replaced by an office building.

A. in it　　　　 B. in　　　　　 C. in that　　　　　　 D. in which

9. ________________, but the question was not settled.

A. Having been discussed for a long time

B. Though it had been discussed for a long time

C. It had been discussed for a long time

D. Having discussed for a long time

8. They use computers to keep the traffic 　　　　　smoothly.

A. being run　　　　 B. run　　　　　 C. to run　　　　　 D. running ks5

7. The house rent is expensive. I've got about half the space I had at home and I'm paying _____ here. A. as much three times 　　　 B. much as three times C. twice times much 　　　 D. three times as much

6. ______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

　 A. While　　　 B. If　　　　 C. Because　　　　　 D. As