13.A　 14.A　 15.B　 16.D　 17.C　 18. A　 19.B　 20.C

英语20分钟专题突破：状语从句

1. C　 2. B　 3. D　 4. C　 5. D　 6.A　 7.A　 8. C　 9.B　 10.C　 11.B　 12.A

20. Not only you but also I ______ able to help him out.

A. are　　　　　 B. is　　　　　　 C. am　　　　　　　　 D. were

参考答案

19. The following ______ some other mental diseases.

A. being　　　　 B. are　　　　　　 C. was　　　　　　 D. were

18. Seventy-five percent of the earth’s surface ______ with water.

A. is covered　　 B. is covering　　 C. were covered　　　 D. are covered

17. What such a sunset is ______ strange to us all.

A. going to be　　 B. /　　　　　 C. is　　　　　　　　 D. that

16. There ______ little change in that middle school.

A. have　　　　 B. had　　　　 C. have been　　　　　 D. has been

15. If law and order ______, neither the citizen nor his family is safe.

A. are not preserved　　　　　 B. is not preserved

C. were preserved　　　　　　 　D. have not been preserved

14. At the bus stop ______ a soldier and two young

people on their way to the village.

A. were　　　 B. was　　　　　　 C. is　　　　　　　 D. sits

13. Nothing but several glasses ________ bought by my father the day before yesterday.

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