1 . English is a language shared by several diverse cultures, each of ________ uses it somewhat differently.

A．which

B．what

C．them

D．those

2 . I was driving on the highway ________ a car went past followed by a police car, both of _______ must have been running at a speed of 150 kilometers per hour.

A．as; which	B．while; them
C．when; which	D．when; that

3 . The journey around the world took the old sailor nine months, ____ the sailing time was 226 days.

A．of which	B．during which
C．from which	D．for which

4 . The children,　 　had played the whole day long,were worn out.

A．all of what	B．all of which
C．all of them	D．all of whom

5 . He won’t want to eat it unless he’s really hungry, in case he’ll eat almost anything.

A．whose

B．which

C．what

D．when

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

A．them

B．who

C．whom

D．these

7 . There are two small rooms in the house, ______ serves as a kitchen

A．the smaller of which	B．the smallest of which
C．the smaller of them	D．the smaller one

8 . He bought a house,___________   the price is reasonable.

A．whose

B．its

C．of which

D．of whom

9 . They put forward a lot of plans at the meeting, none of ______were carried out in their work.

A．which

B．them

C．that

D．what

10 . —Have you sold your house?
—No. Last week only four people came to look at the house, _____ wanted to buy it.

A．none of them

B．none of whom

C．neither of them

D．neither of whom