问题描述：
一道大学英语考试题
I regret____a present to my friend when he got married last month.
a.to have not made
b.not making
c.not having made
d.having not made
答案及原因.
我也认为选C,可答案是A.
I regret____a present to my friend when he got married last month.
a.to have not made
b.not making
c.not having made
d.having not made
答案及原因.
我也认为选C,可答案是A.
问题解答：
我来补答展开全文阅读