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题型：单选题 题类： 难易度：普通
（典中点）人教版（PEP）六年级上册六上 Unit 4 综合素质达标
—It's my little sister.
—I'm Sam.
study {#blank#}1{#/blank#}
go {#blank#}2{#/blank#}
do {#blank#}3{#/blank#}
work {#blank#}4{#/blank#}
have {#blank#}5{#/blank#}
stay {#blank#}6{#/blank#}
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