21.I am sorry____________ written you a letter at the time.A.to have not B.to not have C.not to到你是哪个啊
问题描述：
21.I am sorry____________ written you a letter at the time.A.to have not B.to not have C.not to
到你是哪个啊
答
B. to not have
希望我的回答能够帮到你，望采纳！
祝你学习进步，天天快乐。O(∩_∩)O
答
选C，not to have
我很抱歉没能及时给您回信。
希望可以帮到你
答
not to have
原句是i am sorry to 但要否定前移,所以是选C
绝对是这个啊.
翻译：我很抱歉没能及时给你写信.
LZ不妨将I am sorry not to have written you a letter at the time百度下.绝对是正确的句式
答
c not to have