摘要： All possible means been taken to stop the river . A. have; polluting B. has; polluted C. has; polluting D. have; being polluted
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All possible means ______ been taken to stop the river _______.
A. have; polluting B. has; polluted
C. has; polluting D. have; being polluted
查看习题详情和答案>>All possible means ______ been taken to stop the river ______.
A．have；polluting B．has；polluted
C．has；from being polluted D．have；being polluted
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