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    It is imperative that your presentation on how to prevent pollution steady economic growth in time for the lecture. A. to keep; be finished B. keeping; is finished C. to keep; finish D. keeping; finish 【查看更多】

     

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    It is imperative that your presentation on how to prevent pollution ______steady economic growth ______in time for the lecture.

         A. to keep; be finished   B. keeping; is finished   C. to keep; finish   D. keeping; finish

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