vegetable,fruit和food的单复数如何区分使用

food ,vegetable,fruit那些可数 vegetable,fruit和food的单复数如何区分使用 food,vegetable and fruit 是不是可数名词? fruit` vegetable `food 可不可数?为什么? fruit、vegetable、food、dessert哪些是可数名词 fruit 和 vegetable连用时 vegetable要加s吗 fruit 和 vegetable是可数名词吗? fruit和vegetable是不可数名词吗 fruit和vegetable什么情况下用单复数 vegetable 和 fruit 的复数分别是什么? fruit和vegetable什么时候加s fruit和vegetable哪个是可数的? 关于fruit,vegetable,foodfruit,food,vegetable什么情况下不加s?是I like eat fruit还是I like eat fruits? 英语中vegetable和fruit为什么fruit是不可数名词而vegetable是可数名词 beef and fish are healthy food ,noodles and rice are also healthy food ,fruit and vegetable vegetable、fruit、food的问题啦.什么叫做按照种类讲.为什么There are lots of vegetables and fruit.为什么有的加s有的不加.那food和foods呢.能不能说得清楚一点啊 vegetable 和 food的复数形式是什么? Which is your favourite food ,fruit,_ or meat?A.a vegetable B.the vegetable C.vegetables D.th...Which is your favourite food ,fruit,_ or meat?A.a vegetable B.the vegetable C.vegetables D.the vegetables