My two brothers are both ______. A: policeman B: policemans C: policemen

My two brothers are ________. A: policeman B: policemans C: policemen D: policemens

Both my father and uncle are _____. A: policeman B: policemen C: policemans D: policemanes

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