试题 试卷
题型：单选题 题类：常考题 难易度：普通
-- Yes. They say the place may be polluted if some factories _______in the future.
The young man{#blank#}1{#/blank#} to prison because he tricked people into buying his goods．
The roof is {#blank#}1{#/blank#} {#blank#}2{#/blank#}snow.
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