A. come on A. beside the school A. with your eyes A. in the hall A. show you A. teach Chinese A. hang on the phone A. That's OK. A. It's ringing. A. I'm coming.
B. come in B. in the school B. with your ears B. in the office B. here you are B. teach English B. hang up the phone B. See you later. B. It's loud. B. I'm talking.
