is,walk,go,live,are,do,look的过去式是什么?答:is was, walk walked ,go went a,re were, do did ,look looked
look up,look for,look at,look over的区别答:look up 一般指在字典里查找单词什么的,look up the word in the dictionary.look for 指寻找,更倾向于找的过程,动作,(顺便提一下)find也是寻找,但更倾向于结果.I looked (look的过去式)for my shoes ,but I couldn't find them .look over 多指检查,考试检查之类的 Please look over your...