=>

I/

1. D (mđqh) 

2. B

3. C

4. C

5. B ( người -> Who) 

6. D

7. A

8. A

9. A

10. D

II /

1. The teacher is Mr. Pike with whom we studied last year. 

2. The problem in which we are very interested has been discussed in class. 

3. I like standing at the window from which I can see the park. 

4. The woman to whom you gave place on the bus lives next door to me. 

5. The examination in which I was successful lasted two days. 

6. The children of whom she is taking care are orphans. 

7. The two young men with whom you are acquainted are not good persons. 

8. This is the result of our work with which I'm pleased. 

9. There is a " No Park " sign of which I do not take notice. 

10. Mr. Brown is the man to whom I'm responsible for my work.