摘要： Every possible means been taken to prevent the river . A. have; polluting B. has; polluted ] C. has; from being polluted D. have; being polluted
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Every possible means _______ been taken to prevent the river _________.
A. have; polluting B. has; polluted
C. has; from being polluted D. have; being polluted
查看习题详情和答案>>Every possible means _______ been taken to prevent the river _________.
|
A．have; polluting |
B．has; polluted |
|
C．has; from being polluted |
D．have; being polluted |
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