_You were foolish not to follow your parents' advice_Yes.I regret _____ that1.to do 2.to be doing3.to have done4.having done

分类: 作业答案 • 2022-02-16 22:22:25

问题描述：

_You were foolish not to follow your parents' advice
_Yes.I regret _____ that
1.to do
2.to be doing
3.to have done
4.having done

答