是different kinds of food 还是different kinds of food s

问题描述:

是different kinds of food 还是different kinds of food s

两种都可以,但必须看前面或句意怎么用而定.可以+ s 复数:例如:How many different kinds of foods can you hear him say?你能听出他说的多少不同种类的食物吗?不可数的单数时:例如:You should eat different kin...