regret的英语选择题

问题描述:

regret的英语选择题
it is a pity that you have lost a good chance.I regret ____to you earlier.
a.not to writeb.having not written
c,not having writtend.to write
请问选什么?为什么呢?regret具体用法解释下拉^_^

用法:1.n.例句:I have no regret about leaving.2.vt.regret+sth.;regret+从句;regret + to do;3.vi.例句:She will regret and she will want you here.但我觉得这个题应该选bregret to do 对要做的事遗憾.(未...