15．I invited Mary and Jane to dinner, but 　　　of them came.

A．none　　 B．either　　 C．both　　 D．neither

14．It is said that sandstorms will become more 　　　as a result of global warming. 　　　　A．frequent　　　 B．normal　　 C．formal　　 D．rare

13．-John looks a bit upset. Did you tell him the bad news?

-Yes , but I　　　　　 　him after his birthday party.

A．should have told　　　　 B．must have told

C．shouldn’t have told　　　 D．needn’t have told

12．A taxi driver saw a man luckily escape from the building just 　　　it went up in flames.

A．unless　　 B．until　　 C．before　　　 D．after

11．China is playing an important role in the world. That’s 　　　Laura has come to study Chinese.

A．because高.考.资.源网　　 B．why　　 C．how　　 D．that

10．After years abroad, he returned to his hometown, 　　　he spent his childhood.

A．which　　　 B．when　　　　 C．that　　　 D．where

9．Linda wants to do 　　　research on 　　　　Chinese history for her paper.

A．the; a　　　 B．a; 不填　　 C．a; the　　　 D．the; 不填

8．The girl nodded with a smile as if she had 　　　his mind.

A．read　　　　 B．found　　　 C．watched　　　 D．noticed

7．If you’re looking for a 　　, you can make it when it is on sale.

A．price　　　 B．bargain　　 C．cost高.考.资.源网　　　　 D．bill

6．-I’m so cold. I think I’ve caught a high fever.

-　　　　　

A．Oh, it must be H1N1.　　　　　 B．Never mind.

C．You’d better see a docter.　　　 D．That’s all right.