Hello糖咖啡
是法语的吗？英语还用阴阳分得这么清？1 Two male teachers, two female teachers; two male doctors, two female doctors; two male driver, two female driver; 2。用ARE，there is 修饰单数， there are 用于复数，four people 较难懂的是people， 其实这个词本身是单复数一致，不管指几个人都不能加-S，这应该是你不明白的地方吧。
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