________ gone is gone. ________ no use talking about it any more.

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China, ________ Beijing ________ its capital, is a country which is fast developing.

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The Smith family, ________ are all football fans, is a very large one.

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So seriously ________ in the accident that he was sent to hospital at once.

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The boy dived into the water and after ________ seemed to be a long time, he came up again.

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　　Tom wants to stay up and watch an old movie on TV.

　　Ten o'clock is ________ for a boy of his age to stay up.

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The British are not so familiar with different cultures and other ways of doing things, ________ is often the case in other countries.

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Such ________ the case, I couldn't help but ________ him.

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　　You don't seem to be quite yourself today. What's wrong?

　　Oh, I'm suffering from a cold Nothing serious, ________.

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With a lot of difficult problems ________, the manager felt worried all the time.

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