Jim went to visit his grandpa last Sunday ,_________ didn't he 或 didn't Jim

问题描述:

Jim went to visit his grandpa last Sunday ,_________ didn't he 或 didn't Jim
我觉得是JIM吧但是老师说是he 因为Jim是主语 我认为如果是he的话 就不知道是grandpa 还是Jim 了

答案是 didn't he
分析:疑问部分的主语一定是代词,不能是名词, 主语是JIM 所以HE 代替JIM
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