最高级后面是接in 还是 of?

最高级 三者或三者以上比较“某某最…” (the)+最高级+of+复数名词 He runs fastest of the boys。在某区域的“最…” (the)+最高级+in+单数集体名词或地点 He is the tallest in his class。“在三者或三者以上当中最…之一” one of the+最高级+复数名词+… She’s one of the best students in this class。“第几大/长…” the+序数词+最高级(+名词)+in+区域 It is the second longest river in the world。