I’m sorry written you a letter at the tine.A. to have not B. to not haveC. not to have D.

发布时间：2020-08-16 16:07:09

I’m sorry        written you a letter at the tine.
A. to have not
B. to not have
C. not to have
D. not having

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解析：考查不定式的完成时。句意“对不起那时没给你写信。”sorry后跟动词不定式，排除D；不定式的否定是在to前加not，排除A、B。故选C。
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