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题型：单选题 题类：常考题 难易度：普通
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} I know, there are {#blank#}4{#/blank#} other man-made objects as big as this.
—We arrived _________ plane.
—Thanks.
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