She must have finished her homework yesterday,________?
She must have finished her homework yesterday,________?
A.didn't she
B.mustn't you
C.needn't she
D.don't you
答案及解析: A
She must have finished her homework yesterday,________?
A.didn't she
B.mustn't you
C.needn't she
D.don't you
答案及解析: A