1.money2.American-Americans3.bread4.leaf-leaves5.mouth-mouths6.boy-boys7.photo-photos8.bus-buses9.watch-watches10.hat-hats11.families-family12.sheep-sheeps13.knives-knife14.woman-women15.news16.baby-b...
找出不可数名词并在其后的横线上打勾,然后将可数名词单数变成负数形式或将复数形式变成单数.
1.money2.American-Americans3.bread4.leaf-leaves5.mouth-mouths6.boy-boys7.photo-photos8.bus-buses9.watch-watches10.hat-hats11.families-family12.sheep-sheeps13.knives-knife14.woman-women15.news16.baby-b...