1 . 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

2 . 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

3 . In our class there are 46 students,   ______ half wear glasses.

A．in whom

B．in them

C．of whom

D．of them

4 . The settlement is home to nearly l, 000 people, many of ________ left their village homes for a better life in the city.

A．whom

B．which

C．them

D．those