She has twenty American students in her class._________There

She has twenty American students in her class._________There_________twenty Amer

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请根据下面短文回答第题: Robots (机器人) have been with us for quite some t

请根据下面短文回答第题: Robots (机器人) have been with us for quite some time.They can often

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It is difficult for city people to send their children to sc

It is difficult for city people to send their children to school. A.Right B.Wron

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Where did the man find his dictionary?

Where did the man find his dictionary? A.Under his bed. B.In his desk. C.He's no

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