Tony is busy _______ his homework.A．doingB．doC．to doD．does

题型：不详难度：来源：

Tony is busy _______ his homework.

A．doing

B．do

C．to do

D．does

答案

解析

考查非谓语动词。句意：托尼正忙着做他的作业。现在分词作补足语表示正在进行的伴随性动作，固定句型结构be busy doing sth表示忙于做某事。故选A。

举一反三

It is important for us ________English well.

A．to learn

B．learning

C．learns

D．learned

题型：不详难度：| 查看答案

My mother wants me ________milk every day.

A．drink 　

B．drinks

C．drinking

D．to drink.

题型：不详难度：| 查看答案

Now there are already robots _________ in factories.

A．working

B．to work

C．work

D．worked

题型：不详难度：| 查看答案

－Last semester, he had a hard time______ English.

A．learns

B．learning

C．to learn

D．learnt

题型：不详难度：| 查看答案

My parents often tell me _______ too much junk food. It’s bad for my health.

A．not eating

B．don’t eat

C．not eat

D．not to eat

题型：不详难度：| 查看答案