48． Sorry，we don-t have the coat_________ you need．

Water is the __46___ of all the things we eat and drink . Not many people understand this but __47____ quite true . The human body can go without ___48___ for a long time . We’ve got many examples for this . Yet two __49___ three days without water can usually make people __50____ . Man can’t live __51____ water .Many people don’t understand how ___52__ water the human body needs __53___ work well , and many people , especially young people , do not drink enough , ___54__ in very hot weather . Our body has mostly water , about 65% to 75% . That is to say about two thirds of our body is water . When we do sports , some of the water will get away from our body . __55 _ we don’t drink some water , we won’t have enough water． And if we don’t have enough water , we’ll feel tired and many of us will get ill . So you know how important water is to us .46.___________( )46.

--I don't think we have met before.--Yes, once at a party, but we___________.

_____ that we couldn’t catch up with him.

Hurry up, or you ______ catch the train.

Hurry up. Don’ t keep Xiao Wang ______

—We have to stop talking here. Listen, _____!—Hurry up, or we’ll be late.

Hey, Nick. ______ comes the last bus! Hurry up, or we’ll have to walk home.

—We have to stop talking here. Listen. _____!—Hurry up, or we’ll be late.

—Hurry up, or we’ll be late.—Take your time. it’s just ______ short distance from here to ______ cinema.

Tom, hurry up,__________you will miss the school bus.