do moring exercises 里exercise作运动,锻炼讲,是可数的；而do some exercise 里exercise作练习讲,是不可数的
do moring exercises 和 do some exercise 为什么一个加s 一个不加
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相关问题
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do some exercise,为什么不想do some cleanning那样加ING
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do morning exercises 早操加不加S
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doing more exercise 和都 do more exercise
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do exercise 加s么?
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do exercise用加s吗
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锻炼的英语,do some exercise要不要加ing
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morning exercise可数吗 那do morning exercise要加s吗
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"lots of exercise"中“exercise"为什么不要加”s“
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do more exercises
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exercise什么时候加sdo morning exercise还是do morning exercises