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1·So easy to clean the room!

这个房间那么容易清洁！

2·Let him (them) clean the room.

让他(他们)去打扫房间吧。

3·Who can help me clean the room?

答案：谁能帮我打扫房间？

4·His plan is to clean the room.

他的计划是打扫房间。

5·Did he clean the room yesterday?

他昨天打扫房间吗？

6·I told him how to clean the room.

我告诉他怎么打扫房间。

7·She is too busy to clean the room.

她太忙了，以至于没空打扫房间。

8·Can you help me to clean the room?

你能帮我打扫房间卫生吗？

9·I often help Granny Wang clean the room.

我常常帮助王奶奶打扫房间。

10·Let Helen clean the room.

让海伦打扫房间。