这里的fruit要加s?--Shall we buy any ______ --Yes,Let us buy some apples,bananas and pears

这里的fruit要加s?--Shall we buy any ______ --Yes,Let us buy some apples,bananas and pears fruit什么时候加s比如说I like fruit,用不用加s?这里的fruit是表示什么?还有什么时候要加s?什么时候不加s?说具体点,最好举例~ bananas and apples are his favorite (fruit)这里的fruit要加s吗,还有tomatoes and carrots are hisfavorite (vegetable)要加s吗 fruit什么时候加s?为什么在表示多种的时候vegetable要加s,fruit不加? 为什么many fruit fruit要加s而some fruit不用加s mangoes are my favourite fruit.fruit要加s吗 为什么在用fruit的不用加s,而vegetable要加s呢? fruit加s和不加s的区别要原因,理由,例句,thanks He likes vegetables and fruit very much.为什么vegetables要加s,fruit不用加s? 这道题答案为什么要这样给?most people agree that eating fruit and vegetables is good for health.这里vegetables为什么要加s?答案里给的加了s,为什么? shall第三人称要加s吗 fruit在什么时候加s How about seeing the pandas first?这里see为什么要加ing?还有,是Shall we go swimming ?还是Let's go swimming shall we?谢谢! 水果沙拉的英语是fruit salad吗?如果是,为什么fruit不加s? I want to buy many different kinds of fruit.fruit要加S吗? My favorite fruit is bananas.这句话对吗?fruit要加s吗? fruit 和 vegetable连用时 vegetable要加s吗 为什么shi likes vegetables and fruit very much中vegetables要加s但fruit不加s?