1 . The parents are making changes to their previous education methods, of ______ negative effect they begin to be aware.

A．who

B．whom

C．whose

D．which

2 . He is a man of great experience, _____ much can be learned.

A．who	B．that
C．from which	D．from whom

3 . John invited about 40 people to his wedding, most of 　　　 are family members.

A．them	B．that
C．which	D．whom

4 . ______ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

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

5 . She brought with her three friends，none of ________ I had ever met before.

A．them

B．who

C．whom

D．these

6 . I have many friends, ______ some are businessmen.

A．of them

B．from which

C．who of

D．of whom

7 . We shouldn’t spend our money testing so many people, most of ________ are healthy.

A．that	B．which
C．what	D．whom

8 . Barack Obama delivered a speech to 500 local youths during his visit to China，many of     were from Fudan University and Tongji University．

A．them

B．whom

C．which

D．those