题目内容
Fill in the blanks with the verbs in their proper forms(用所给动词的适当形式填式,词数不限):
It is reported that ways have been found to prevent water from ______ (pollute).
答案:being polluted
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题目内容
Fill in the blanks with the verbs in their proper forms(用所给动词的适当形式填式,词数不限):
It is reported that ways have been found to prevent water from ______ (pollute).