( )(2)当你想说“真是个好主意”应说:A. It is OK ! B. That’s a good idea !
--- 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.
---________________--- Yes, speaking.