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题型：单选题 题类：真题 难易度：普通
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}, she found the way to solve the problem.
The boy can walk{#blank#}1{#/blank#} {#blank#}2{#/blank#}.
— I think it may be Lily. She usually sings songs.
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