—Helen must obey her parents.?

—Oh，she must，__________??

A.must she                                        B.mustn’t she

C.shouldn’t she                                  D.should she?

Your sister must be helping the little girl with her homework, _______ ?

A. needn’t she                     B. mustn’t she            C. isn’t she                 D. must she

Jane is a careless lady because she left her handbag in the taxi, _______?

  A. isn’t she      B. is she    C. hasn’t she       D. has she

 It was Alice and her friends who helped the homeless old woman,______?

         A. wasn’t it?    B. wasn’t she  C. didn’t they?          D. weren’t they?

It was Alice and her friends who helped the homeless old woman,______?

A. wasn’t it?   B. wasn’t she  C. didn’t they?       D. weren’t they?