定语从句专项练习题2

A. which B. in which C.

of which D. whose

6. October 15 th is my birthday, ________ I will never forget. D. which

7. The treatment will continue until the

A. when B. that C. what

patient reaches the point ________ he can walk correctly and safely. A. when B. where C. which D. whose

8. There are several research centers in China ________ a certain disease called Bird Flu is being studied.

A. which B. where C.

when D. what

9. I hope that the little ________ I have been able to do does good to them all.

A. which B. what C. that

D. when

10. The time is not far away ________

modern communications will become widespread in China’s vast countryside.

A as B. when C. until D. before

11. ________ is known to everybody, Taiwan is a part of China. We must unify