the teacher is there to help you 为什么用to help
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theteacheristheretohelpyou为什么用tohelptheteacheristheretohelpyou为什么用tohelptheteacheristheretohelpyou为什
the teacher is there to help you 为什么用to help
the teacher is there to help you 为什么用to help
the teacher is there to help you 为什么用to help
to help 在这个句子中是做is的表语,用不定式.