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题型:单选题 题类:模拟题 难易度:普通
—Really? interesting it is!
—That's necessary, in order to create a civilized(文明的) city, we should the rules.
How {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}to protect wild animals!
— Sorry, I don't know.
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