A.Tina,this is Mr.Lin. B.How do you do ,Tina. C.It's a pleasure to meet you,Mr.Lin. D.It's an honor to know you,Tina. A.May I introduce myself I am Tina. B.Miss Tina?It's so nice to meet you.I am Jimmy. C.Tina,they are my friends,Robert and George. D.I am planning to have a small dinner party on Friday,and hope very much that you all will be able to come.