题目内容
( )22.—Look! How dirty the river looks!
—So it is. Things will be better if people_throwing rubbish into it.
A. are stopped B. were stopped C. stopped D. will stop
A
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题目内容
( )22.—Look! How dirty the river looks!
—So it is. Things will be better if people_throwing rubbish into it.
A. are stopped B. were stopped C. stopped D. will stop
A