16.The little girl must have lain there for a long time,____________ A.mustn't sheB.hasn't sheC.wasn't sheD.didn't she

分类: 作业答案 • 2022-01-02 15:29:11

问题描述：

16.The little girl must have lain there for a long time,____________
A.mustn't she
B.hasn't she
C.wasn't she
D.didn't she

答

选b.排除法.直接用助动词否定.