问题描述：
怎么写?——She （study）English since she was ten.She （begin）to study English when she was ten.
是现在完成时?
She ————（study）English since she was ten.She —————（begin）to study English when she was ten.
两个空空、
是现在完成时?
She ————（study）English since she was ten.She —————（begin）to study English when she was ten.
两个空空、
问题解答：
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