Class three 是单数还是复数?
Class three 是单数还是复数?
three fifths 是单数还是复数?
three months是单数还是复数
the class 是单数还是复数
half zhe class是单数还是复数?
three quarters of ...后面是+单数还是复数?
three glasses of water谓语动词是单数还是复数?
the boys of Class One是单数还是复数?
half a class 用单数还是复数?
three and three-sevenths后面的系动词是单数还是复数
Class One单数还是复数(用is 还是are)
family是单数还是复数