问候语介绍的英语口语对话答:A:Good morning ,Mr Smith .B;Good morning ,Lihua ,how are you?A:Fine thanks,Mr Smith ,Is this your friend?B:oh ,this is my new friend-Elisa ,we are meet on line,C:Nice to meet you !A;Nice to meet you ,too.C;We are going to play tennis ,Are you glad to come...