Do remember ________ the door when you leave.

[　　]

A． closing　　　B． to close　　　C． closed　　　D． having closed

You'd better go and come tomorrow, it's a waste of time ________ in such a long queue． 　　　

[　　]

A． for you wait　　　B． to you waiting

C． wait　　　    　D． waiting

Many newspapers has plenty of advertisements,________ help to cut the costs of making them. 　　　

[　　]

A． this　　　B． that　　　C． it　　　D． which

As soon as the teacher came in, the students stopped ________ and start ________ immediately at their problems in maths. 　　　

[　　]

A． to talk…to work　　　B． talking…working

C．to talk…working　　　D． talking …work

[　　]

A． who　　　B． which　　　C． that　　　D． what

You should do ________ you can to avoid ________ a mistake in your homework.

[　　]

In the reading room, we found her ________ at a desk, with her attention ________ on a book.

[　　]

A．sitting, fixing

B．six, fixed

C．sitting, to be fixed

D．seated, fixed

从所给的四个选项中选择最佳答案

The reason ______ he had the car accident was ______ he had had a drink before starting out．　　　

[　　]

A．why, that　　　B．that, why　　　C．why, because　　　D．because, why

从所给的四个选项中选择最佳答案

80% of smokers ______ men． Over 25% of their income ______ spent on smoking．

[　　]

A．are, are　　　B．is, is　　　C．are, is　　　D．is, are

从所给的四个选项中选择最佳答案

______ of the population of this area ______ farmers．

[　　]

A．Two thirds, are　　　　 B．Two third, is

C．Seconds three, are　　　D．Two threes, is