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题型：单选题 题类：模拟题 难易度：普通
—I saw him with our teacher when l passed the playground just now.
When you have problems, you can {#blank#}1{#/blank#} the teacher {#blank#}2{#/blank#} help.
Mary {#blank#}1{#/blank#} to school. {#blank#}2{#/blank#} {#blank#}3{#/blank#} you?
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