1 . We said thanks to Mr. Wu, without ________we could’ t achieve our goals. （用适当的词填空）

2 . The settlement is home to nearly 1, 000 people, many of ______ left their village homes for a better life in the city. (用适当的词填空)

3 . There are about 100 teachers, two-thirds of______are women. (用适当的单词填空)

4 . Many young people, most _________ were well-educated, headed for remote regions to chase their dreams.

A．of which	B．of them
C．of whom	D．of those