题目内容
| 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 |
试题答案
C
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题目内容
| 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 |
试题答案
C