less pollution, the earth will become and our people's health will be .

题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 2 Saving the earth.Topic 1 Pollution has causes too many problems.同步练习1

A、By; green; good B、With; greener; better C、In; greener; better D、On; greenest; best

举一反三

—Yes. But light travels _ sound.

—Of course. ______ they love me a lot, they are ______ me.

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