题目内容
I also felt guilty, as all fathers do at a time like this, wondering whether there was anything I ______ to have prevented this situation from rising.
A. would do B. could do
C. can do D. could have done
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题目内容
I also felt guilty, as all fathers do at a time like this, wondering whether there was anything I ______ to have prevented this situation from rising.
A. would do B. could do
C. can do D. could have done