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题型:单选题 题类:模拟题 难易度:普通
-There is one in the tall building.
— They can communicate more freely.
My parents don't allow me to{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#} .
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