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题型：单选题 题类：常考题 难易度：普通
接力版(三年级起点)六年级下册Lesson 7 We had a good time!第一课时试卷
B: Don't be{#blank#}1{#/blank#}.You should s{#blank#}2{#/blank#} in {#blank#}3{#/blank#}.
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