第1个回答 2012-09-24
Good morning,Sir,Can I help you?
第2个回答 2012-09-24
Good morning, sir, what can I do for you? 或者是Can I help you?
第3个回答 2012-09-24
Good morning, sir. Can I help you?
第4个回答 2012-09-24
Good moring,sir! can I help you?
第5个回答 2012-09-24
Good morning , Sir, May I help you?本回答被网友采纳