问题描述：
that is ok与not at all在回答“对不起”时的区别?
例题；
--Professor Johnson,I'm afraid I can't finish the report this day .
--( ).How about next week?
A.Not at all.B.That'OK.
例题；
--Professor Johnson,I'm afraid I can't finish the report this day .
--( ).How about next week?
A.Not at all.B.That'OK.
问题解答：
我来补答展开全文阅读