1 . 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

2 . She brought with her three friends，none of ________ I had ever met before.

A．them

B．who

C．whom

D．these

3 . I have many friends, ______ some are businessmen.

A．of them

B．from which

C．who of

D．of whom

4 . We shouldn’t spend our money testing so many people, most of ________ are healthy.

A．that	B．which
C．what	D．whom

5 . Barack Obama delivered a speech to 500 local youths during his visit to China，many of     were from Fudan University and Tongji University．

A．them

B．whom

C．which

D．those