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转换成被动语态1．you should turn off the lights after class．2.we must plant more trees.

分类: 作业答案 • 2021-12-16 22:24:25

问题描述：

转换成被动语态1．you should turn off the lights after class．2.we must plant more trees.

答

The lights should be turned off after class.
More trees must be planted by us.