问题
选择题
Even many years after his divorce, he still couldn’t figure out the reason for his ____ marriage.
A．to fail
B．to be failing
C．failing
D．failed
答案
答案：C
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Even many years after his divorce, he still couldn’t figure out the reason for his ____ marriage.
A．to fail
B．to be failing
C．failing
D．failed
答案：C