He hasn't played tennis since 1995.此处为何用 hasn't ,而不用didn't 或

He hasn't played tennis since 1995.此处为何用 hasn't ,而不用didn't 或 dosen't
_只在乎你_ 1年前 已收到1个回答 举报

晨光下的思念 幼苗

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since 1995是一个时段所以用hasn't如果since改成in那么就该用didn′t

1年前

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