2 . Later, the medicine was tested on malaria patients, most of _______ recovered.

A．which

B．whom

C．them

D．that

3 . I was told that there were about 50 foreign students         Chinese in the school, most        were from Germany.

A．studying; of whom	B．study; of whom
C．studying; of them	D．study; of them

4 . The young generation, most _________ were well-educated, volunteered to teach in poor areas.

A．of them

B．of whom

C．who

D．of which

5 . Bob asked several people to come to his home for dinner last night, two of ______ were his classmates.

A．that

B．them

C．whom

D．which

6 . There are 400 workers in the factory, most of _________ are women.

A．who

B．whom

C．them

D．whose

7 . The old woman has two sons, one ________ is a teacher.

A．of who

B．of whom

C．of which

D．of them

8 . Mike’s disappointment was shared by several players who were present, ________ were so upset that they shouted at the judge.

A．some of them	B．some of which
C．some of that	D．some of whom

9 . She brought her three friends to the party, none of ________ I had ever met before.

A．them

B．who

C．whom

D．which

10 . 　　　is known to us all is that the old scientist, for　　life was hard in the past, still works very hard in his eighties．

A．As; whom	B．What; whom
C．It; whose	D．As; whose