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3)Did you set the tables? Yes,I did. 4)Have the waiters tided the kitchen? Yes,they have. 5)Does the chef come half past four ? Yes,he does. 6)Did he prepared the food? No,he did not 7)Does the restaraunt open at seven o clock ? Yes,it does 8)Do many people eat here? No,they do not 9)Does the restaraunt  close at one o clock? No,it does not