1 . ______ 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

2 . The settlement is home to nearly l, 000 people, many of ________ left their village homes for a better life in the city.

A．whom

B．which

C．them

D．those

3 . ____ is known to us all is that the old worker, for _____ life was hard in the past, still works hard in his seventies.

A．As; whom

B．What; whose

C．It; whose

D．What; whom

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

A．that	B．which
C．what	D．whom

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

A．of them

B．from which

C．who of

D．of whom

6 . 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