英文I'm sorry.回答有几种呢？

It's all right
It's OK
Don't be (sorry).

never mind 别在意，是可以的
not at all不可以，是回答谢谢的。

that's ok..
not at all
you are welcome
never mind
it doesn't a matter
don't worry
that'a all right

It's allright.
Don't worry.
Don't be silly.
Come on!
你说的那两个是回答谢谢的

I am OK.
I am fine,
That's alright.

直接说：That's allright~