It is w　　　　 to read the book again and again.

The thief seems ____ in that cave . Let’s go and see.

A .hidden　　　　　 B .hide　　　　　 C .hiding　　　　 D .to hide

There are fewer teaching positions left in big cities, ______ at the same time there are shortages of teachers in small towns．　

A．or B．and C．so D．for

You _____ your turn so you’ll have to wait.

A. will miss                                              B. have missed

C. are missing                                           D. had missed

We still finish all tasks assigned by our Party ____ we can.

　 A. as far as　　 B. as well as　　 C. as long as　　 D. as much as

—What do you think of________suggestion?

—Well，________most splendid one indeed.

A．/；the 　 B．/；a　　 C．the；a 　D．the；the

—What is your favourite sport in summer?

—I like 　　　　,but I don’t want 　　　 today because I am ill.?

A.to swim;to swim　　　　　　　　　　 B.swimming;to swim

C.to swim;swimming　　　　　　　　　　 D.swimming;swimming?

If you _______talk about it with me，please wait till I finish my work at hand．

A．can　　　　　　　 B．may　　　　　　　 C．must　　　　　 D．should

____, I think, and the problem could be settled.

A. Making great efforts　 　 　　　　　 B. So long as you keep up your spirits

C. If you double your efforts　　　　　 D. A bit more effort

在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决。(depend on)