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Every possible means _____. However, nothing can _____ him dying of lung cancer.

A. has tried; stop
B. have tried; keep 
C. has been tried; prevent
D. have been tried; stop
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科目:高中英语 来源:同步题 题型:单选题

Every possible means _____. However, nothing can _____ him dying of lung cancer.
[     ]
A. has tried; stop
B. have tried; keep 
C. has been tried; prevent
D. have been tried; stop

查看答案和解析>>

科目:高中英语 来源:0127 模拟题 题型:单选题

Every possible means _____. However, nothing can _____ him dying of lung cancer.
[     ]
A. has tried; stop
B. have tried; keep 
C. has been tried; prevent
D. have been tried; stop

查看答案和解析>>


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