8. This museum is ___ you visited the other day.A. that B. which C. where D. the one

7. This is the museum ___we saw an exhibition the other day.A. that B. which C. where D. in that

6. Air, ___we breathe every day, is around us all the time.A. that B./ C. which D. it

5. Is oxygen the only gas ___ helps fire burn A. that B. / C. which D. what

4. I can tell you ___ he told me last week.A. all which B. all what C. that all D. all that

3. He is a man of great knowledge, ___ much can be learned.

A .in whom B. about whom C. from whom D. of whom

2. The old man has two sons, ___ are lawyers.A. both of them B. both of who C. both of whom D. both of they

1. I, ___ your good friend, will try my best to help you out.A. who is B. who am C. that is D. which am

13.① Tom,______ we had expected,got the 1st place in the competition(比赛).A. as B. which C. whom D. who

② Tom,______ we had expected to help us,didn't even show his face . A. as B. whom C. that D. which

定语从句专项突破练习

12.① The sun heats the earth,______ we all know.A. that B. which C. as D. where

② The sun heats the earth,______ makes it possible to grow crops. A. which B. that C. as D. where