摘要：38．All possible means to save the wounded soldier. A. has been tried B. have been tried C. is to be tried D. are trying
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All possible means to save the wounded soldier.
A.has been tried B.have been tried
C.is to be tried D.are trying
查看习题详情和答案>>All possible means ________to save the wounded soldier.
A.has been tried B. have been tried C. is to be tried D. are trying
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