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题型：语法填空（单句） 题类：常考题 难易度：普通
北师大版（一起点）小学英语五年级上册Unit 1同步练习（1）
— He {#blank#}1{#/blank#} {#blank#}2{#/blank#} with his friends.
They {#blank#}1{#/blank#} （were/weren't）dirty then.
They {#blank#}2{#/blank#} （are/aren't）clean now.
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