题型:填空题 题类:常考题 难易度:普通
试题来源: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 r1. We'd better not throw it away.
② It is important to try to save e2.
③If we don't protect our e3, the earth will be destroyed.
④ Our teacher tells us to collect r4 plastic bags.
⑤ Gold, silver and iron are all m5.
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