11. The Great Wall ____ all over the world.

　 A. knows　　　　 　　 B. knew　　　　　　　　 C. is known　　　　　 　　 D. was known

10.--When ___ this kind of computers______?　 --Last year.

　 A. did; use　　　 　　　 　　 B. as; used　　　　　　 　　 C. is; used　　　　　　 　　 D. are; used

9. The doctor _____ for yet.

　 A .isn't sent　　　 　　　 B. hasn't been sent　　 C. won't be sent　　　 　　 D. wasn't sent

8. Neither of them ______ in China.

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

7. A lot of things ____ by people to save the little girl now.

　 A. are doing　　 　　　　　　　　　　　　 B. are being done

　 C. has been done　　　　　　　　　　　 D. will be done

6. How many trees ____ this year?

　 A. are planted　 　　 B. will plant　　　　　 　 　C. have been planted　　　 D. planted

5.A talk on Chinese history _____ in the school hall next week.

　 A. is given　　　　　　　 　　 B. has been given　 C. will be given　　 　　 D. gives

4. So far, the moon ____ by man already.

　 A. is visited　　　 　　　 B. will be visited　　　 　　 C. has been visited　 D. was visited

3. Cotton ____ in the southeast of China.

　 A. is grown　　　　　　 　　 B. are grown　　　　　 C. grows　　　　 　　 D. grow

2. An accident ____ on this road last week.

　 A. has been happened　　　 B. was happened　　 　　 C. is happened　　　 　　 D. happened