Jim often has lunch at school,_______ ______?

题目

Jim often has lunch at school,_______ ______?
Susan had to walk to school,____ ______?
There is little milk in the fridge,______ _____?
Nobody can help him,____ _____?
It is impossible to finish the work in an hour,_____ ______?
I don't think he will go there,_______ _______?

答案

doesn't he
didn't she
isn't there