判断句子是否正确

题型：判断题题类：常考题难易度：普通

新版牛津上海版（深圳用）六年级上册英语Unit 10 Air同步练习

判断句子是否正确

（1）、We should plant trees to keep the air fresh．

（2）、We should smoke to keep the air clean．

（3）、We should drive our cars less．

（4）、We should ride a bicycle or take buses more often．

举一反三

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Just as the saying goes: ____

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