国家开放大学 / 综合英语（3）
正确率：100%
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
A.is he
B.isn’t he
C.doesn’t she
D.does she
参考答案：
佳题速递：