1 . It’s hard for Tom to give up smoking. Because he _____(沉迷，上瘾)it. (根据汉语提示完成句子)

2 . _____ time went by, I was getting older and older and at the same time I wanted to leave home to earn my living.

3 . _____ great fun it is to have a warm drink around the fire with friends or family members on such a cold day!

4 . This listening material, together with its CD­ROMs, ________ (sell) well. （所给词的适当形式填空）

5 . There ________ a very old private school in this town.

A．used to have

B．used to be

C．used to having

D．is used to being

6 . Only after the driver was sent to hospital ________ how seriously he was hurt in the accident.

A．we knew	B．we had known
C．had we known	D．did we know

7 . ________ seems strange to us is________ she can sing so many English songs beautifully.

A．What; that

B．It; why

C．That; how

D．It; that

8 . His father is stubborn. ________ he has made up his mind to do something, no one can change it.

A．While

B．Unless

C．Although

D．Once

9 . We had just begun to work________ the machine broke down.

A．when

B．as

C．while

D．after

10 . I don’t doubt that the gold ring ________(属于) to her.