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最佳答案：have PE class.
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最佳答案：the representative of PE
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最佳答案：at a P.E. lesson
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最佳答案：Attend each PE lesson
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最佳答案：They hurt themselves in P.E. class.
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最佳答案：having a PE lesson
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最佳答案：How often do you have a PE class?
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最佳答案：I have to wear sneakers on the gym
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最佳答案：She may lose weight by the execises during the P.E classes.
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最佳答案：The students（children） are having a physical education (PE) lesson in the playgr