About five hundred years ago, a lot of people went to North America ________ gold

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She looks forward every spring to ________ the flower garden.

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－Mum, why do you always make me eat an egg every day?

－________ enough protein and nutrition as you are growing up.

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She reached the top of the hill and stopped ________ on a big rock by the side of the side of the path.

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He turned and went to sleep again, ________ that it was still early.

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Charles Babbage is generally considered ________ the first computer.

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The highway ________ to the city is under repair now.

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After the Anti-terrorist War, the American soldiers returned home, ________.

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The fact puzzled Jack much ________ he has been unable to pass the driving test up to now.

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Once lost, ________.

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A．it is said to get such a chance again

B．one can never get such a chance again

C．such a chance will never come again

D．to get such a chance will be difficult