The book is the most difficlt--the three.空格处的介词应该填in还是of?

问题描述:

The book is the most difficlt--the three.空格处的介词应该填in还是of?

凭语感感觉是of

是of 。意思是这本书是这三本中最难的书。
希望可以帮到你

of 表范围
the + *+ of the three/ all...
(三个)以上群体中最.的一个“

of