All possible means . However, nothing can him dying of lung cancer.A.has tried; stopB.have been tried; keepC.has been tried; preventD.have been tried; stop 查看更多

 

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All possible means ________. However, nothing can ________ him dying of lung cancer.

[  ]

A.has tried, stop

B.have been tried, keep

C.has been tried, prevent

D.have been tried, stop

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All possible means ________. However, nothing can ________ him dying of lung cancer.

[  ]

A.has tried, stop

B.have been tried, keep

C.has been tried, prevent

D.have been tried, stop

查看答案和解析>>

All possible means _________.However, nothing can _________ him dying of lung cancer.

[  ]
A.

has tried; stop

B.

have been tried; keep

C.

has been tried; prevent

D.

have been tried; stop

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