Living in the central Australian desert has its problems, ______ obtaining water is not the least.

A. for which　 B. to which　　 C. of which　 D. in which

A terrible earthquake happened in Sichuan Province on May 12th,2008，________many countries in the world paid close attention to this.

A．where B．when

C．which D．what

While (当摇晃着他一岁大的孩子时),he thought something over.

We’d better try to ______ with the experiment, I think. Now let’s ______ with it.

A. go through; go on 　 B. go on; go over 　　　 C. go over; go through　 D. go on; go through

It was not until he arrived at the office_____ realized he had forgotten the key.

A. and he　　 B. when he　　　 C. that he　　　 D. he

Everybody in the village likes Jack because he is good at telling and 　　　 jokes.?

A.turning up　　 B.putting up

C.making up　　　 D.showing up?

2008年中国将在北京举办第29届夏季奥运会，你班就其将给北京带来的影响展开了激烈的讨论。假如你是李华，现请根据下表内容给21世纪报的编辑写一封信，说说你们讨论的结果以及你个人的看法。

The blood__________waste products from the tissues（组织）.?

A.exports 　 B.imports ?　　 C.gets　　　 D.gives

It is 　　　　　　　　　 that he is right.

A. believing　 B. my belief　 　C. believe　　 　 D. believed in

It’s clear that neither he nor his parents ________ the plan put forward at the family meeting.

A. agrees to B. are for C. is in favor of D. agree on