Many children in China like the west food， ________chocolate，ham-burger，etc．

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Some English teachers asked the students to read the text aloud．They think it is ________their English studying．

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Some scientists think that traditional ________of the Chinese family is not good for children's growing．

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Study hard，and you'll ________with the other students in your class．

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I haven't got ________money for the dictionary．Can you lend some，please？

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How are you these weeks，Tom？

Very ________，thanks！

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Listen！The noise is flying ________our city．What's happening？

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In this country，all kinds of crops can grow well because there is ________rain water in it all year round．

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Many people were ________when a bus and a truck collided（冲突，碰撞）．

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Do you know ____?

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A. how many populations there are in the world

B. how much population there is in the world

C. how many the population of the world is

D. what the population of the world is