下面词的复数形式him this her paper water rice family knife baby 要表示清楚
问题描述：
下面词的复数形式
him this her paper water rice family knife baby 要表示清楚
答
him-them
this-those
her-them
paper-paper(解释为纸的时候不可数；而解释为报纸的时候加S，为可数)
water-water(没有变化，因为水不可数)
rice-rice(没有变化，因为米饭不可数)
family-families(把Y改I加ES)
knife-knives(比较特殊的变化)
baby-babies(同理family)
答
them
these
them/their
paper
water
rice
families
knives
babies