改错 Doing morning exercises are food for us?

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改错Doingmorningexercisesarefoodforus?改错Doingmorningexercisesarefoodforus?改错Doingmorningexercisesarefo

改错 Doing morning exercises are food for us?
改错 Doing morning exercises are food for us?

改错 Doing morning exercises are food for us?
ARE改is

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Doing morning exercises are good for us.
上海灵格风英语

is good

is good.因为此句中动名词doing...作主语,而通常非谓语动词作主语是当单数。

are ----is 主语是单数 不是看exercises

is good
但后面是问号,不知原题,

我觉得这句话有两个问题,首先EXERCISE当表达运动这个意思时,为不可数名词,只有在表达练习时,它才为可数的,在表达为演习时,用复数形式.所以在这里应用其原形而不是复数形式.然后就是大家所说的,ARE 应为IS

Doing morning exercises is food for us?