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题型：选词填空（单句） 题类： 难易度：容易
人教版（PEP）三年级上册（2024）Unit 2 Different families part B 同步练习
—Yes, it does.
—No, they {#blank#}2{#/blank#}(are, aren't). They're {#blank#}3{#/blank#}(in, on) the door.
be he her have you
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