题目内容
— Was the bungee jumper killed since the line broke after he jumped off the bridge?
— Well, it's totally unbelievable that he ______ have survived the jump.
— Well, it's totally unbelievable that he ______ have survived the jump.
[ ]
A. would
B. must
C. could
D. should
B. must
C. could
D. should
D
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