1 . She has two sons, both of ________ graduated from Harvard University.

A．who

B．them

C．whom

D．they

2 . There are nearly one hundred foreign students in our university, most of________ are from America and Australia.

A．which

B．them

C．whom

D．those

3 . I've got an English penfriend, I often turn for advice when I meet difficulties in English.

A．to whom

B．for which

C．with whom

D．around which

4 . The digital age also enables us to find people ________ share our interests, such as collecting model cars or playing computer games.

A．which

B．whom

C．who

D．whose

5 . Have you heard about the player        got the first prize in the swimming?

A．which

B．what

C．who

D．whom

6 . I will give the book to the man ________ needs it most.

A．who

B．whom

C．which

D．whose

7 . Professor Smith, for ________ work matters most, is devoted to his research work.

A．whose

B．that

C．whom

D．what

9 . I have many friends,          some are businessmen.

A．of them	B．from which
C．of whom	D．who of

10 . Her sister, ________ you met at my home, was a teacher of English. (用适当的词填空)