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题型:单选题 题类:模拟题 难易度:普通
You can see many children playing basketball {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}.
I can't{#blank#}1{#/blank#} {#blank#}2{#/blank#}you on this matter.
The teacher told the students to {#blank#}1{#/blank#}hard {#blank#}2{#/blank#} and never give up.
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