1 . The science of medicine, in_______ progress has been very rapid, is perhaps the most important of all the science.

2 . John invited about 40 people to his wedding, most of ________ were family members. (用适当的词填空)

3 . She brought her three friends to the party, none of ________I had ever met before. (用适当的词填空)

4 . Yuan Longping, slim and strong, looks like millions of farmers________he has struggled for the past six decades.

A．for whom

B．to whom

C．who

D．for those

5 . 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

6 . The young generation, most _________ were well-educated, volunteered to teach in poor areas.

A．of them

B．of whom

C．who

D．of which

7 . John invited about 40 people to his wedding, most of________are family members.

8 . China’s population is expected to increase to about 1.5 billion, after ________ it will start to decline slowly.

9 . 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

10 . We took a road map with us during our last trip, ________ we would have lost our way.