May l help you?怎么用?

may l help you? May I help you怎么读 句型转换：May l help you =( )c may l help you？同义句和回答 may i help you May you help me~^-^ may i help you? May II help You may I help you,sir?为什么用help may l heip you? "May I help you?"发音 英语May I help you?