在高考英语中，道歉的表达需要既礼貌又真诚。以下是一些好听且合适的道歉表达：

对不起

Sorry.

I’m sorry.

表达愧疚

I’m very sorry for that.

I’m very sorry, it was all my fault.

打搅了

I’m sorry to interrupt you.

迟到道歉

I’m sorry I’m late.

正式道歉信

Dear [Name],

I am truly sorry that [Reason for apology].

The reason is that [Explain the reason].

once again, I am sorry for any inconvenience caused.

Hope you can accept my sincere apology.

简洁道歉

I apologize for [Specific mistake].

Excuse me for my [Specific mistake].

表达遗憾

Much to my regret, I am unable to [Specific action].

这些表达方式既符合高考英语的要求，又能够真诚地表达歉意。根据具体的情境选择合适的表达，可以使你的道歉更加得体和有效。