试题 试卷
题型：单选题 题类：常考题 难易度：普通
外研版初中英语九年级下册Module 4 Unit 1 You must becareful of falling stones.习题
— No, you ________ . You can ________ it for 10 days.
—Yes, you may.
—When you finish cleaning your room, you .
— No, thanks. I _______________ leave now. Mary is waiting for me.
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