We should keep our classroom ____ .A. clean B. to clean C. Cleaning

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We should keep our classroom ____ .
A. clean B. to clean C. Cleaning

答案

解析

试题分析：句意：我们应该保持我们教室的清洁卫生。Keep+宾语+形容词，表示“保持---状态”。故选A。

举一反三

While she was trying to cross the road,she saw a red car_____.
A.come B.to come C.coming

题型：不详难度：| 查看答案

_____for a long time is bad for your eyes.
A.Reading B.Read C.Playing football

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Some people plan to ______ a volunteer project to help the disabled children.

A．put up

B．think up

C．set up

D．cheer up

题型：不详难度：| 查看答案

I saw him when I passed by.

A．ran

B．to run

C．runs

D．running

题型：不详难度：| 查看答案

We can’t put off _____ a plan .

A．make

B．to make

C．making

D．to making

题型：不详难度：| 查看答案