第1个回答 2006-11-04
Do you need my help? 的确是的.
第2个回答 2006-11-04
What can I do for you?
第3个回答 2006-11-04
Could I help you?
May I help you?
Do you need my help?
前两句比较常用
第4个回答 2006-11-04
can I help you ?
What can I do for you?
第5个回答 2006-11-04
Can I help you?
What can I do for you?