改错：We should work hard to serve for the people well in the future.

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改错：Look out for the cars while cross the street.

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改错：He lives in Beijing where is the capital of China.

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改错：She often wears the same kind of shirt with her sister does.

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改错：The reason why he couldn't take the journey was because he was short of money then.

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改错：China is now taking an important role in the UN.

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改错：Who is the person who is standing at the gate of the school?

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改错：It is the desk which leg was repaired by Tom.

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改错：I talked to a boy whom I thought was your brother.

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改错：This is the factory where I visited last year.

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