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I suppose they have known about it,_____ A.am I B.am not I C.have they D.haven'they请选择,并说明理由.

题目详情
I suppose they have known about it,_____
A.am I B.am not I C.have they D.haven'they
请选择,并说明理由.
▼优质解答
答案和解析
宾语从句中,主句的主语是I,谓语是suppose,think,believe,guess等词,反意疑问句根据从句的主语和谓语来反,所以答案是D...语法书上就是这么说的 ... A绝对是错的 !