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：高中英語(yǔ) 來(lái)源：同步題 題型：單選題

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：高中英語(yǔ) 來(lái)源：0127 模擬題 題型：單選題

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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