1．Hi!/.Hi!/2.Good morning!/ Good morning!/3.How are you doing?/I’m doing great,thank you./4.How have you been?/I’v been fine,thank you./I’v been doing ok./I’v been ok./5.How’s it going./Great. How about you?/6.Long time no see./Yeah, how have you been?/7.What’s new?/Nothing much./Not much./8.I have to go.Can’t you stay a little longer?/9.Have a nice weekend./Thank you,you too./10.Have a nice day!/Same to you.