1 . In our class there are 50 students, ________ half achieved a score of 140 or higher in the English examination of Gaokao.

A．of them

B．in whom

C．of whom

D．in them

2 . 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

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

A．them

B．which

C．whom

D．that

4 . Mr. Smith was really a very great teacher, ________ lectures we benefited a lot about communication skills.

A．from whom

B．of whom

C．from whose

D．of whose

5 . Kelly studies many different subjects in high school, _______ English is the most interesting in her opinion.

A．from which

B．in which

C．which

D．of which

6 . The players, ________ came from a big city, were practicing playing basketball on the playground.

A．the tall of whom	B．the tallest of whom
C．the tallest one	D．the tallest of them

9 . The foreign guests, ________ were scientists, were warmly welcomed at the airport.

A．most of which	B．most of them
C．most of whom	D．most of those

10 . My favorite writer is a key role in literature, most of ________ books have been put on the stage and screen.

A．who

B．whom

C．whose

D．her