1 . The factory produces half a million pairs of trousers every year, 75%          are sold abroad

A．of them

B．of that

C．which of

D．of which

2 . Mother gave me 2000 Yuan, most of _______ used for my school fees.

A．them were	B．those were
C．that was	D．which was

3 . 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