Effective measures must be taken in no time to keep the lake . A. from further polluting B. being further polluted C. from being further polluted D. further polluting 【查看更多】
题目列表(包括答案和解析)
Effective measures must be taken in no time to keep the lake _____.
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A. from further polluting B. being further polluted C. from being further polluted D. further polluting
