试题 试卷
题型：单选题 题类：真题 难易度：普通
—No, you _____. You come a little later.
—No, it _____ be her. She has gone to Xi'an.
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}these letters?
—I'm not sure. He be ill. Let's go and ask Ms White.
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