把下列名词变为复数形式

题目

把下列名词变为复数形式
1.student 2.teacher 3.month 4.cinema 5.college 6.vegetable 7.city 8.country 9.boy 10.Chinese 11.tomato 12.radio 13.box 14.foot 15.watch 16.sheep 17.knife 18.half 19.policeman 20.woman friver

答案

1.students 2.teachers 3.months 4.cinemas 5.colleges 6.vegetables 7.cities 8.countries 9.boys 10.Chinese 11.tomatos 12.radios13.boxes 14.feet 15.watches 16.sheep 17.knives 18.halves19.policemen 20.woman frivers