第1个回答 2007-07-12
Hi, sir! May I ask you a question?
附注:1. sir
2. mister
3. teacher
先生的三种说法
用may语气较委婉
第2个回答 2007-07-12
Sir,may I ask you a question?
第3个回答 2007-07-12
May I ask you a question , sir?本回答被提问者采纳
第4个回答 2007-07-12
Sir,can I ask you a question?
第5个回答 2007-07-12
May I ask you a question , sir?