I told Sally how to get there ,but her perhaps I ____for her.A.had to write it out B.must have writt

题目

I told Sally how to get there ,but her perhaps I ____for her.A.had to write it out B.must have written it out C.should have written it out D.ought to write it out 课本答案是A,在网上查答案多是C

答案

答案C
本句译为“我告诉了Sally怎样去那儿,但也许我本应该替她写下来(实际上没写)．这是表示“本应该做而实际上未做”,该用should/ought to+have done．