Conversation 1　　A:It's very kind of you to invite me to dinner.　　B: Please sit down, and make yourself at home. It's a frugal meal. Nothing formal. Please　　don't stand on ceremony.　　A: This di... Conversation 1　　A:It's very kind of you to invite me to dinner.　　B: Please sit down, and make yourself at home. It's a frugal meal. Nothing formal. Please　　don't stand on ceremony.　　A: This di...