We had better not __ them busy all day long.A．to keepB．keepingC．keptD．keep

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We had better not __ them busy all day long.

A．to keep

B．keeping

C．kept

D．keep

答案

解析

略

举一反三

We did the job as fast as we could, ___ to finish it earlier.

A．hoping

B．to hope

C．hoped

D．being hoped

题型：不详难度：| 查看答案

In many ways, riding on a bike is simliar to ___.

A．driving a car

B．when you drive a car

C．drive a car

D．when driving a car

题型：不详难度：| 查看答案

He hasn"t decided __ to London.

A．whether to sail or fly

B．if to sail or fly

C．whether sailing or flying

D．if sailing or flying

题型：不详难度：| 查看答案

Aunt LI has arrived.Do you expect __ to pay her a visit?

A．going

B．go

C．to go

D．that you go

题型：不详难度：| 查看答案

She has just finished ___ her shopping.

A．to make

B．to do

C．doing

D．making

题型：不详难度：| 查看答案