A. open the door B. close the door C. stand up
D. close the book E. close the window F. sit down
G. open the book H. open the window
A. It's a pie.
B. Thank you, Mr Green.
C. May I come in?
D. Yes, Mr Green.
E. Yes, please.
Tom:
Mr Green:Come in,Tom.
Mr Green:Look at the blackboard.
Class:
Mr Green:What's that,Sam?
Sam:
Mr Green:Would you like a pie?
