四、具体训练任务

1.Lucy helped Lily to figure out a math problem.

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2.Sam helped Beck to repair a broken bike.

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3.Amy wants to know how Barbara's mother has been doing.

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4.Sam has lots of questions for his professor.

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5.Barney meets a stranger in the street when he goes on holiday.

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6.Sam is helping Boris, a first-year student, to carry a big and heavy bag.

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