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题型:单选题 题类:常考题 难易度:普通
We were {#blank#}1{#/blank#} {#blank#}2{#/blank#} when the phone{#blank#}3{#/blank#}.
We {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} under the tree.
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