he must have read this book yesterday?反问?did not he?have not he?为什么

he must have read this book yesterday?反问?
did not he?have not he?为什么

didn't he
这类题目要不能光看must后的单词,因为句中有yesterday,所以是过去式,前面肯定,后面否定,就是didn't he 了

have not he?可能要好些．
不过，我也见过用didn't he? 的文章． 个人喜欢这个，因为这是在说过去的一个事实．