第1个回答 2014-09-06
1) May I ask: [...你的问题...] ; May I know [...你的问题... ]?
2) May I ask where are you going? May I know when you are going to marry me?
3) Please advise (请问): Can we deliver you the goods by next Friday?
4) Please let me know: When are you going to pay us the money?
5) (假如是老师要学生"发问"): Please ask now [请（现在）问]. Please ask your question now.本回答被网友采纳