—When will the 2010 World Expo(世博会) come to a close? —It’ll close at the end of ________.
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.