that's OK/all right/right ,Not at all,it doesn't matter ,never mind分别用于什么回答?

thats all right,that's right,all right,that's OK有什么区别 that's right ,that's OK,all right 区别that's rightthat's OKall right that's all right It's OK 什么区别!That's right.That's all right.That's OK. that is all right ,that's right ,that's ok 意思和用法一样吗? That's OK 与All right 有什么区别? Thank you for helping me. A:that's right OK C:That's all right D:All right. Sorry,I'm late.-----( A.OK B.All right C.That's all right That's ok . You're welcome . That's all right . Not at all.有何区别? 选择填空sorry!you look the same_____A .ok B.That's ok c.All right D.That's right that 's all right和that's ok有什么不同?that's right和that's ok又有什么不同?that's all right和that‘s right有什么不同? that's all right. that's all right. That's all right. A:Thank you very much.B:____.1.OK 2.All right 3.That's all right 4.Right That's OK. 和 That's all right. 用法一样吗? It's my pleasure. _____ . Thanks! A That's all right. B All right C That's OK. D That's all.谁帮忙?谢谢 All right.That's all right.That's right.区别? it’s all right,it’s OK