1 . People sit uncomfortably on plastic chairs, looking through old magazines, ________ have been read hundreds of times previously.

A．all of whom

B．each of whom

C．all of which

D．each of which

2 . 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

3 . English is a language shared by several diverse cultures, ________ uses it differently.

A．whose

B．which

C．each of which

D．all of which

4 . 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

6 . You were rude to your classmate, ________ you should make an apology.

A．whom

B．for which

C．for whom

D．which

8 . Wu Guanzhong’s goal as an artist was ______ Western principles of art with Chinese spirit—a point ______ the two could meet.

A．combining; which

B．combined; where

C．to combine; at which

D．combine; when

9 . This dictionary, a few pages _______ are missing, is of little use.

A．of whom

B．of which

C．at whom

D．at which

10 . You may think of giving up study, in ____________ case just think it over before making the decision.

A．that

B．which

C．whose

D．where