区分可数名词和不可数名词,选择正确的复数形式。Hertwobrothersareboth______. A: policeman B: policemans C: policemen D: policemens
区分可数名词和不可数名词,选择正确的复数形式。Hertwobrothersareboth______. A: policeman B: policemans C: policemen D: policemens
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