--Oh, the traffic is too heavy.
--Let’s change ________route to the airport.
— Excuse me, Where is the zoo?
—Sorry, I don’t know. Ask that policeman. He ____ know.
---Do you know _________ girl who is standing under _________ tree?
---Of course! She is Lucy, my classmates.
---Could you tell me ________?
---It’s next to the post office.
---Must I park my car behind the building?
---No, you needn’t. You _____ park it here.
---Why is the classroom so dirty?
---Sorry, Sir. It _____ yesterday. We forgot to do it.
---What do you think about _______dress in the shop window?
---Oh, it's beautiful. Amy will be pleased if she can have it as _______birthday present.
---Where is the bank?
---It’s down Grand Street ______ the right.
---Where is your mother,Tom?
---She _________________the dishes in the kitchen.