FORMAL AND INFORMAL GREETING

1. You are at work, your colleague come and greets you :''. 
2. You answer:''. 
3. You meet Mr Foster, a business client, for the first time, you say:''. 
4. Mr Foster answers:''. 
5. Mr Foster is leaving, you say:''. 
6. It is 5 pm, you are leaving your office, you say to your colleague:' see you on Monday, ' 
7. He answers:'' 
8. You meet your friend. You have not seen him for a long time. You say:'' 
9. He answers:'' 
10. Your friend and you are both going home, he says:''