1 . Many factors influence a student in his/her study, ____________ are out of a teacher’s control.

A．most of them

B．most of that

C．most of what

D．most of which

3 . ________ is known to all, good friends ________ happiness and value to life.

A．It; add

B．As; add

C．It; add up

D．As; add to

4 . We have gathered nearly 100,000 quilts, ________ up to half have gone to the flood-hit areas.

A．with which	B．in which
C．for which	D．of which

5 . My Australian friends invited me to a barbecue last weekend，________ was really very kind of them．

A．that

B．who

C．when

D．which

6 . ________he told was the news__________ Lucy had achieved success，________，of course，made Lucy's parents feel very excited．

A．What； that； which	B．That； which； which
C．What； which； what	D．That； that；what

7 . There are three girls in the room， ________ is Tom’s sister.

A．the tallest of which	B．the tallest of whom
C．tallest of that	D．tallest of which

8 . I was told that there were about 50 foreign students         Chinese in the school, most        were from Germany.

A．studying; of whom	B．study; of whom
C．studying; of them	D．study; of them

9 . Many children, ________ parents are away working in big cities, are taken good care of in the village.

A．their

B．whose

C．of them

D．with whom

10 . China's first aircraft carrier(航空母舰) came out of Dalian harbor Wednesday, ________ was a national pride for Chinese people.

A．that

B．which

C．what

D．where