1 . The pipes have oil or water, which is heated and sent to the storage tank until        to produce electricity.

A．needed	B．needing
C．to need	D．having needed

2 . The number of children losing both parents to Aids ______ also expected to rise.

A．was

B．is

C．are

D．were

3 . The people, _______ had been damaged by the flood, were given help by the Red Cross.

A．all their homes	B．all whose homes
C．all of their homes	D．all of whose homes

4 . Wind power units are placed ______ there is a lot of wind.

A．where

B．when

C．which

D．that

5 . I have been living in the United States for twenty years, but seldom ______ so lonely as now.

A．have I felt	B．I had felt
C．I have felt	D．had I felt

6 . ______developing countries need to do is to stop poverty.

A．How

B．That

C．Which

D．What

7 . So popular        that many people went to see the film adapted from it.

A．was the book	B．did the book
C．the book was	D．had the book

8 . It was to you and not to anyone else        I lent the money.

A．whom

B．why

C．that

D．whether

9 . There is a saying that ______, “Teach a man to fish, and you feed him for the rest of his life.”

A．go

B．went

C．goes

D．is going

10 . I have always been honest and straightforward, and it doesn’t matter ______ I’m talking to.

A．who is it that	B．who it is that
C．it is who that	D．it is whom that