Work hard while you are young, ________you'll be sorry when you are old．

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The earthquake happened shortly before dawn, ________most people were asleep．

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It is the first time I ________about that palmtop computer．

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I ________you , but I lost your number．

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The book “How the iron and steal made” teaches us how to live a ________life．

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Joe had arrived at the tiny island only hours before and now he ________himself lying on the deck of a small fishing boat．

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I remember ________about that kidnapping case in the papers some years ago．

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This is ________most exciting experience to ________most of us in our lives．

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Dockland ________be a small port． Now it is a newly developed commercial area．

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Though it rained a little in the early morning, it turned out to be a nice day ________．

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