试题 试卷
题型：填空题 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 3 What can we do to protectthe environment同步练习
—That book is a little over my head, because there are too many new words about the universe in it.
—It's _________. I don't like it.
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