Составьте вежливые фразы из слов.Помогите пожалуйста.24 балла!

1.Sorry,I didn’t hear that.
2.Could you repeat that,please?
3.Can you say that again,please?
4.Sorry,I don’t understand.

Ответ:

1 Sorry, I didn`t hear that.

2 Could you repeat that, please?

3 Can you say that again, please?

4 Sorry, I don`t understand.