怎么回答you are up so late

　　I'm sorry you're not happy about it but you'll just have to lump it.

　　你不满意我很抱歉，可你只好将就一点了。

　　I'm sorry I couldn't make your party last night.

　　很抱歉，昨晚没能参加你们的聚会。

　　I'm sorry, I think you have the wrong number.

　　对不起，我想你打错了。

　　I'm sorry he's out at present.

　　很抱歉他这会儿不在。

　　I'm sorry, I wasn't thinking.

　　对不起，我太冒昧了。