1 . One of the natives came up to us, _______ we gave some bells and glasses to. (用适当的词填空)

2 . More than 20 people have traveled to the moon, 12 of __________have walked on the moon.(用适当的词填空)

4 . Her sister, ________ you met at my home, was a teacher of English. (用适当的词填空)

5 . I have three sisters, the youngest of ________ is an actress. （用适当的词填空）

6 . Later, the medicine was tested on malaria patients, most of _______ recovered.

A．which

B．whom

C．them

D．that

7 . 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

8 . Peter, ________ you met inLondon, is now back in Paris. (用适当的词填空)

9 . The soldiers were tired and hungry, most of _____ had marched for a long time. (用适当的词填空)

10 . Mr. Smith, from ____________ I have learned a lot, is a famous scientist. (用适当的词填空)