试题 试卷
题型：单选题 题类：常考题 难易度：容易
新目标版英语七年级上册Unit 3 Is this your pencil？ (Section A)
—Sure, here you are.
book excuse teacher schoolbag eraser
—Yes, it's{#blank#}1{#/blank#} key. Thank you. (填代词)
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