题目内容
I am afraid that Mrs.Black doesn’t believe her son is able to design such a complicated machine, _____?
A. aren’t I B. does she C. is he D. isn’t he
B
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题目内容
I am afraid that Mrs.Black doesn’t believe her son is able to design such a complicated machine, _____?
A. aren’t I B. does she C. is he D. isn’t he