___ _ I feel pity on them, I can’t really do very much to help them but contr

题型：不详难度：来源：

___ _ I feel pity on them, I can’t really do very much to help them but contribute my pocket money.

A．While

B．As long as

C．When

D．Where

答案

解析

本题考查连词的用法。while在这里引导让步状语从句，意思是“尽管”。
等。

举一反三

—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.

A．though

B．unless

C．when

D．because

题型：不详难度：| 查看答案

The companies are working together to create ______ they hope will be the best means of transport in the 21st century.

A．which

B．that

C．what

D．who

题型：不详难度：| 查看答案

　　Would you like a cup of coffee ______ shall we get down to business right away ?

A．and

B．then

C．or

D．otherwise

题型：不详难度：| 查看答案

They were surprised that a child should work out the problem ________ they themselves couldn"t.

A．once

B．then

C．While

D．if

题型：不详难度：| 查看答案

A computer can only do ________ you have instructed it to do.

A．how

B．after

C．what

D．when

题型：不详难度：| 查看答案