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1 de 5 She _____ studying for 6 hours when she went to bed.2 de 5 _____ you _____ long in that flat when you bought your house?3 de 5 How long _____ you _____ when the plane took off?4 de 5 They _____ dating long when they decided to get married.5 de 5 We were so tired when we arrived at the hotel. We _____ all day!