（3）。Meeting old friends 老友重逢
     Many people shake hands when meeting after they havn't seen each other for a long time.
     1. A： I haven't seen you for ages. You haven't been sich, have you？
     B： No, I've been in California for the past month.
     A： How nice. Where were you exactly？
     B： San Diego. I got back yesterday.
     2. A： It's nice to see you again. Have you chaged jobs？
     B： No, I've been visiting relatives.
     A： That's nice. Where？
     B： I went to visit an uncle of mine in San Francisco.
     3. A： You haven't been around much lately, have you？
     B： No, I've been away on vacation.
     A： Oh？ Where were you？
     B： Palm Springs. I've got a cousin there.
     4. A： Well, hello, stranger！ Have you moved or something？
     B： No, I went to California for a few weeks.
     A： Oh, really？ Where did you go？
     B： Los Angeles. I stayed with my brother.