It’s really cold today, ______ ?
--- Why not go to see the dolphin show with me?---Because I _____ it.
Jim______ to the shop. He’ll be back_____ an hour.
---Jack likes playing ______ chess, but he doesn’t like playing_______piano.
Your room is so beautiful !——________________.
—Sorry, Doctor Smith isn’t here right now.—May I ____ a message on his desk?