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题型:语法填空(单句) 题类:常考题 难易度:普通
人教版(PEP)小学英语六年级下册毕业水平测试模拟试题(二)(含小段音频)
They {#blank#}1{#/blank#} (were/weren't)dirty then.
They {#blank#}2{#/blank#} (are/aren't)clean now.
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