something must be done to solve the problems()succeed
问题描述:
something must be done to solve the problems()succeed
括号里填什么
答
填to,因为to solve the problem是定语修饰something,succeed是动词原形,所以不可能填介词,只能填副词.意思差不多是:要成功就必须做点什么来解决这个问题