My grandmother_____(exercise)every morning My sister often s

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My grandmother_____(exercise)every morning My sister often s_____ on the lake in winter 请说明一下理由,

【参考答案】
My grandmother 【exercises】 every morning.
My sister often 【skates】 on the lake in winter.
这两题都是一般现在时,由于主语是三单,故谓语动词使用三单形式.
有不理解的地方欢迎追问
再问：您好！非常感谢！还有，我很疑惑，这里为什么不能用ing形式？
再答： every morning 和 in winter都不是标志着现在进行时的时间，故不能用ing形式

My grandmother_____(exercise)every morning My sister often s my sister drives to work every morning My parents exercise with my sister and I every day. 1.I often ___________(exercise) ,but my sister never _______ 用适当形式填空 My grandfather_______(exercise)every morning. my sister a get up at six every morning my sister e_____ every morning to keep fit 填什么 1My mother often d____her son every morning. My grandpa does exercise every morning(用yesterday morning改写句 My sister wants to be t_____,so she takes exercise every day my sister wants to be t so she takes exercise every day my parents -----every morning in the park.是用exercise还是exerci