Don't run ( ) the bank of the river.括号里填什么介词? 还有,介词是...答:代替whom/which(不能是who)。She is a good student from whom we should learn.2)介词的种类:介词分简单介词和短语介词两种,简单介词及单个介词,如in ,under ,on ,for ,after ,等,短语介词指多个单词构成的介词,如in front of ,out of ,instead of ,far from ,apart from 等。