—Are those cars? —_____. They are buses.A. No, it isn’t B. Yes, they areC. No, they aren’t
If I _____ you, I _____ late for school this morning.
--- Look, Mr Green is on the other side of the street. --- It _____ be him.He has gone to London on business.
--- Why don’t you ask him for help? You _____ be good friends.--- We have disagreements and we haven’t talked to each other for a long time.
--- Tom looks unhappy.What’s the matter?--- He got annoyed _____ her words.
--- Shall we call a taxi?--- Okay.Let me _____ the phone number in Yellow Pages.