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题型：单选题 题类：常考题 难易度：普通
—If you want to be an astronaut, you have to hard.
But whatever it was, don't {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} yourself.
Great changes have {#blank#}1{#/blank#} {#blank#}2{#/blank#} in Xiangyang in the last ten years. If you are free, I {#blank#}3{#/blank#} you come to visit it {#blank#}4{#/blank#} {#blank#}5{#/blank#}.
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