题目内容
—It smells terrible. What has happened here?
—Look, there is much waste gas _____ from the chemical factory.
A.pour B.pouring C.poured D.pours
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题目内容
—It smells terrible. What has happened here?
—Look, there is much waste gas _____ from the chemical factory.
A.pour B.pouring C.poured D.pours