题型：填空题 题类：常考题 难易度：普通
外研版英语九年级上册Module 6 Unit 1 If I startafter dinner, I’ll finish it before I go to bed. 同步练习
① Paper can be r. We'd better not throw it away.
② It is important to try to save e.
③If we don't protect our e, the earth will be destroyed.
④ Our teacher tells us to collect r plastic bags.
⑤ Gold, silver and iron are all m.
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