I am sorry ________(keep) you _____(wait) for a long time.老师说第一个空填to keep,可是be sorry for doing sth才是为已发生事件感到抱歉.那么为什么填 to keep呢?后面那个空填什么呢?
问题描述：
I am sorry ________(keep) you _____(wait) for a long time.
老师说第一个空填to keep,可是be sorry for doing sth才是为已发生事件感到抱歉.那么为什么填 to keep呢?后面那个空填什么呢?
答
be sorry for doing sth表示为某事而道歉,而be sorry to do sth更注重很遗憾做某事的意味,所以第一个空应填to keep.