who needs about twenty minutes of exercise three time a week?needs为什么加s

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whoneedsabouttwentyminutesofexercisethreetimeaweek?needs为什么加swhoneedsabouttwentyminutesofexercisethr

who needs about twenty minutes of exercise three time a week?needs为什么加s
who needs about twenty minutes of exercise three time a week?needs为什么加s

who needs about twenty minutes of exercise three time a week?needs为什么加s
Who 是主语,need 是谓语动词.一般来说,对主语提问,不知道几人,我们用单数,因此need 加s

大哥问错人了。
我不擅长这个。。。

who作主语时,体现三单,故need使用needs

你的time也需加S,一周三次嘛,是复数