I delayed _______ your letter because I had been away for a week.A．answer　　　B．an

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I delayed _______ your letter because I had been away for a week.

A．answer　　　

B．answering　　　

C．writing　　　

D．to post

答案

解析

略

举一反三

The thief drove as fast as he could to escape ________ by the police.

A．to be caught　　

B．he caught

C．being caught 　

D．catching

题型：不详难度：| 查看答案

I searched for my wallet and it wasn"t there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.

A．must have left；to take	B．may leave；taking
C．might leave； to take	D．could have left；taking

题型：不详难度：| 查看答案

_______ the news of his father"s death, he burst into tears.

A．After hearing

B．On hearing

C．While hearing　

D．Having heard

题型：不详难度：| 查看答案

. _______ his mother, the baby could not help _______.

A．To see ；to laugh

B．Seeing ； to laugh

C．Seeing ；laughing

D．To see ；laughing

题型：不详难度：| 查看答案

It"s no use _______ so much money on clothes.

A．spend　　　

B．spent　　

C．spending　　

D．being　 spent

题型：不详难度：| 查看答案