---Would you like to go for a walk with us?
---________.
---Shall we meet at 3:00 at the Science Museum?
---Well, I can't decide which one to buy?
---I'm sorry to keep you waiting so long.
---Would you please say that clearly and slowly?
---please don't make any noise in the reading room.
---_________.
--Why do you ________ to school?
--Because it's time for class.
--What did she like ________?
--She liked ________ books.
--What are you doing?
--I'm cutting the wood ________.
---Look!What's in the bottle?
---It ______ apple juice.