Look和Looks的区别是什么额?还有这个句子：It looks cool.里面的LOOK为什么要加“S”额?`

look和looks的区别是什么 Look和Looks的区别是什么额?还有这个句子：It looks cool.里面的LOOK为什么要加“S”额?` looks和look like区别还有look at的区别和用法 looks like 和look like的区别,什么时候用looks like ,什么时候用look like A:look,here are my father and mother.B:They look young!对话中的they look young 可以为they looks young 如果不能,为什么?还有就是 根据 He looks youngyou look young 感觉应该可以的啊.look 和 looks 有什么区别.分别用才 what do you look like和what are you look like区别look like looks like look for look at的区别 look up和look out的区别还有find look like和looks like 的区别.分别造句几个疑问句和陈述句. Look like 和 Looks like的用法? looks like 和look like分别用在什么样的句子里边（区别?） look the same 和 the same looks有区别吗? looks 和 look is有什么区别吗 look like和look的区别He'd like to know what the whether looks like today.这里为什么不能把look like改成look? seem和look like的区别是什么 find和look for的区别是什么? see和look的区别是什么? Looks like young与Look younger的区别 seek和fina还有look for的区别