Mr. Smith used to smoke__________but he has given it up.

Mr. Smith used to smoke__________but he has given it up.

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Which of the following goes against efficient classroom management?

Which of the following goes against efficient classroom management?

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Polyester (聚酯) is now being used for bottles. ICI, the chemicals and plastics co

Polyester (聚酯) is now being used for bottles. ICI, the chemicals and plastics company,believes that

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Classroom language can also be called in-class language, which is the specially

Classroom language can also be called in-class language, which is the specially used language system

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请阅读短文,完成此题。Here's a warning from health experts: Sitting is deadly. Scientists a

请阅读短文,完成此题。Here's a warning from health experts: Sitting is deadly. Scientists are increasingly warn

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