题目内容：

-mary did not come to school yesterday did she---------she came in the afternoon1 is not he2
she did not 3she did 4yes she did

优质解答

答案是：Yes,she did
回答否定疑问句,不要根据问句的意思回答,而是根据事实.
事实去了就用yes.没去就用No.
事实Mary去学校了,所以用Yes