问题描述：
英语中频率副词在句中担当的成分.
例：The old gentleman never fails to help whoever is in need of his help.never fails to
never在句中担当的成分,以及谓语是哪一部分?
例：The old gentleman never fails to help whoever is in need of his help.never fails to
never在句中担当的成分,以及谓语是哪一部分?
问题解答：
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