试题 试卷
题型：单选题 题类：模拟题 难易度：普通
—About forty minutes.
— They're fine, thank you, Nick.
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} has he been to Beijing?
—The man ________ a white shirt.
{#blank#}1{#/blank#} {#blank#}2{#/blank#} they?
—Twice or three times a month.
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