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题型:填空题 题类:常考题 难易度:普通
外研版(三年级起点)2017-2018学年小学英语六年级下册Module 3 Unit 1 The sun is shining.课后作业
They {#blank#}1{#/blank#} (were/weren't)dirty then.
They {#blank#}2{#/blank#} (are/aren't)clean now.
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