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题型：单选题 题类：真题 难易度：普通
—Let's choose the cheaper way.
—I'm sorry. Children swim alone here.
—Well, you're probably wrong. He always wants to learn medicine, you know.
They {#blank#}1{#/blank#} sing {#blank#}2{#/blank#} dance.
—No, you . There is a bus to get there.
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