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Many new means__________ to prevent the river ____________.
A. have found, from polluting
B. have found, from being polluted
C. have been found, from being polluted
D. has been found, from being polluted
查看习题详情和答案>>Many new means__________ to prevent the river ____________.
A. have found, from polluting
B. have found, from being polluted
C. have been found, from being polluted
D. has been found, from being polluted
查看习题详情和答案>>Many new means__________ to prevent the river ____________.
A. have found, from polluting
B. have found, from being polluted
C. have been found, from being polluted
D. has been found, from being polluted
查看习题详情和答案>>
Many new means__________ to prevent the river ____________.
|
A．have found, from polluting |
|
B．have found, from being polluted |
|
C．have been found, from being polluted |
|
D．has been found, from being polluted |
查看习题详情和答案>>