Every possible means to work out the problem, but it is too difficult for us.

题型：不详难度：来源：

A．hunting for

B．carrying on

C．looking after

D．bringing up

答案

解析

略

举一反三

His mother hardly seemed to notice as the boy go of her hand．

A．let

B．made

C．had

D．got

题型：不详难度：| 查看答案

But the next thing I knew, the car stopped, the airbags had , the windscreen broke, and smoke was coming out．

A．broken off

B．gone off

C．cut off

D．turned off

题型：不详难度：| 查看答案

The man couldn’t _____the fact that the lost watch was found in his house.

A．explain for

B．account for

C．amount to

D．refer to

题型：不详难度：| 查看答案

If a thing is worth ______, it must be well ______.

A．doing; done

B．to do; doing

C．to do; done

D．being done; doing

题型：不详难度：| 查看答案

Your hand is dirty. It needs ____________.

A．to wash

B．to be washing

C． being washed

D．washing

题型：不详难度：| 查看答案