________ is known to everybody, the moon travels round the earth once every month.

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I’m sure that ________ won’t belong ________ we find out the truth.

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How about the two of us ________ a walk down the garden?

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It is generally considered unwise to give a child ________ he or she wants.

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The company have lost a lot of money in the development of new products. They are now ________.

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A．making trouble

B．put to the trouble

C．in great trouble

D．running into the trouble

The noise sounded like a plane ________ over the head.

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The sport is quite safe. There is nothing ________.

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Don’t ________ whatever your brother says. Work hard and ________ yourself, and you’ll succeed in time.

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Children are often ________ flowers of the motherland.

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I was just about to go out for a walk ________ it began to ran.

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