1 . Many children, ________ parents are away working in big cities, are taken good care of in the village.

A．their

B．whose

C．of them

D．with whom

2 . His writing is so confusing that it’s difficult to make out ________ it is he is trying to express.

A．that

B．how

C．who

D．what

3 . The factory used 65% of the raw materials， the rest of which             saved for other purposes.

A．is

B．are

C．was

D．were

4 . The limits of a person’s intelligence, generally speaking, are fixed at birth, but ______ he reaches these limits will depend on his environment.

A．whether

B．where

C．that

D．why

5 . It was from only a few supplies that she had brought in the village ____ the hostess cooked such a nice dinner.

A．where

B．when

C．that

D．which

6 . ——Do you have a minute? I’ve got something to tell you.
——Ok, ______ you make it short.

A．now that

B．if only

C．so long as

D．every time

7 . Students are always interested in finding out _______ they can go with a new teacher.

A．how far	B．how long
C．how often	D．how soon

8 . Whatever is left over may be put into the refrigerator, _____ it will keep for two or three weeks.

A．when

B．which

C．where

D．while

9 . （2015·安徽）Some experts think reading is the fundamental skill upon ________ school education depends.

A．it	B．that
C．whose	D．which

10 . (2015·安徽)A ship in harbor is safe, but that’s not _____________ ships are built for.

A．what	B．whom
C．why	D．when