be sure of /about doing sth和be sorry for about 有没有这些用法?
有be sorry for doing sth和be sorry about sth 如果有的话麻烦举例呀!
be sorry about sth.
be sure of sth.与 be sure about 区别?
be sorry for sth.和be sorry about sth.的区别
be sure of doing sth和make sure of doing sth有区别吗?
sure的用法be sure of doing和 be sure to do有什么区别呀?
be sth terrified of doing有没有这种用法
be glad__(for,to,about.of)sth.
be serious about doing sth.
be sure about 和be sure of的区别
be sorry for与be sorry about有什么区别?
请问,be sure +不定式 和be sure of/about +动名词/名词 和be sure+宾语从句有什么区别