Wemust________measurestokeeptheen

发布时间：2020-07-27 02:03:04

We must ________ measures to keep the environment ________.A.get; from pollutingB.take; being pollutedC.have; from pollutingD.take; from being polluted

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C解析take measures采取措施；keep environment from being polluted使环境不被污染。
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