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第78页

信息发布者：

Rubbish

room

put rubbish in the bin

eating

sweep

keep

slips

捡起

步行回家

使地板变脏

为了保持公园清洁

No, I/We can't.

Rubbish.

I can sweep the floor.

messy and dirty

Rubbish

dirty

put rubbish in the bin

sweep the floor.

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