－People now can know what is happening in the world quickly.

－You're right. With the help of computers, news can ________ every corner of the world.

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Some passengers were walking through one of the big halls at Paris' Charles De Gaulle Airport ________ the whole roof(屋顶) fell down.

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The students on duty were ________ the floor in the classroom.

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Who was working ________ the chemistry lab.

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She has beautiful sound. It sounds ________.

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Don't make so ________! I can't hear the telephone.

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The teacher told us the moon ________ round the earth.

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Bettina could ________ a club.

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I think you should ________ your parents ________ some money.

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I ________ my keys, but I didn't ________ them.

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