见到新同学时,你应该说:A. Hello, my name is Betty.B. Hello! Betty.
--- Can you tell me the way to Tianhe Plaza? --- Sorry. I don't know. I'm a new comer. --- .
--- Did you see Mr. Green? --- Sorry? ---______________________?
---Whose coats is this? --- Is it a black one? ---Yes, it is. ---________________. -- Here you are. ---Thank you very much.
--- Help yourself to some fish. ---__________________.
---_______. --- I caught a cold.