题目内容
(B ) 30. The rivers smells terrible .People must dirty things into it.
A. be stopped to throw
B. be stopped from throwing
C. stop to throw
D. stop form throwing
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题目内容
(B ) 30. The rivers smells terrible .People must dirty things into it.
A. be stopped to throw
B. be stopped from throwing
C. stop to throw
D. stop form throwing