摘要： 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 [解析]选D 本题要考查的是考生能否找出句中的 主语是谁:Mrs Black doesn't believe这是主句的主语和谓 语.而her son is...是宾语从句.所以反意疑问句应根据主 句的主语和谓语来提出.故答案为D.若这种句型的主 句主语为第一人称.反意疑问句应根据从句的主语和谓语 来提出.如:I think / believe / suppose / guess / wonder则: I think we are out of danger, aren't we?

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