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Mrs Black doesn’t believe her son is able to design a digital camera, _____?

A.is he?

B.isn’t he?

C.doesn’t she

D.does she?

Mrs Black doesn’t believe her son is able to design a digital camera, ______? ?

A. doesn’t she????????????? B. does she??????? C． is he???????? D．isn’t he

 Mrs. Black doesn’t believe her son is able to design a digital camera, _____?

      A．is he  B．does she    C．doesn’t she       D．does he

Mrs. Black doesn’t believe her son is able to design a digital camera, __________ ?

A. does she       B. doesn’t she          C. is he        D. isn’t he

Mrs. Black doesn’t believe her son is able to design a digital camera, ________?

A. is he 　 B. isn’t he　　 C. doesn’t she 　 D. does she