_____ hard, you will succeed. A．Having workedB．Being worked C．To workingD．Workin

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_____ hard, you will succeed.

A．Having worked

B．Being worked

C．To working

D．Working

答案

解析

现在分词作条件状语，与句子主语之间是主动的关系。

举一反三

_____ if he had any difficulties, he made no answer.

A．Ask

B．To ask

C．Asked

D．Asking

题型：不详难度：| 查看答案

Deeply _____, I thanked him again and again.

A．move

B．moved

C．moving

D．to move

题型：不详难度：| 查看答案

Why do you have the water _____ all the time?

A．ran

B．to be running

C．running

D．being running

题型：不详难度：| 查看答案

I can’t _____ you running up and down all day long.

A．permit

B．let

C．have

D．allow

题型：不详难度：| 查看答案

The first textbooks _____ for teaching English as a foreign language came out in　the 16th century.

A．being heard

B．to be written

C．being written

D．written

题型：不详难度：| 查看答案