第1个回答 2013-11-28
Excuse me.Thank you.It doesn't matter.That's all right.Thank you all the same.Sorry.Can i help you?You're welcome.That's all right.Please do...
第2个回答 2013-11-28
thank you.it's my please.that's all right.you are welcome
第3个回答 2013-11-28
Hello!
Welcome to our ...
Please tell me what you want?
Can I help you?