— Is this your pen? — _________. It’s his pen. A. It is my pen. B. Yes, it is C. No, it isn’t
--- Welcome to our restaurant. What can I do for you? --- I’d like to ______ a pizza and a bowl of noodles.
--- Why not_______ shopping now? --- Good idea!
Mr. Brown buys some pens and notebooks _______.
Wait _______ minute! Would you like to play ______ football with us?
---I feel tired and sleepy. ---Why not stop______?