He never said that he was good at mathematics, ______?

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问题 He never said that he was good at mathematics, ______?

选项 A、was he
B、wasn’t he
C、did he
D、didn’t he

答案C

解析 附加疑问句的构成原则是“前肯后否,前否后肯,人称、时态一致”:本句中主干部分用的是否定、一般过去时,所以附加部分应该用did he。因此,本题的正确答案是C。
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