题目

用方框中所给单词的适当形式填空。 future    pollute     planet    plant    part （1） —Don't throw(扔) dirty things into the river. They willthe river. —I'm sorry. （2） I wonder if there is life on other. （3） need light and water to grow. （4） I think people will have less work to do in the. （5） Everyone should play ain cleaning the park. 答案： 【1】pollute 【1】planets 【1】Plants 【1】future 【1】part

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