题目

he must have stayed up late night,__he?
A mustn't B needn't C hasn't D didn't
总是搞不清楚该用什么,

提问时间：2020-10-11

答案

D这句话是推测过去发生的事情,所以这句话其实就是一个过去式的句子.如果说说这句话的人对这件事很肯定,他可以说：He stayed up late last night,didn't he?说了 He must have stayed up last night,didn't he?只不过...