A in
in是指一个广泛的范围,像in the world,in the class
of是对应的范围,像of the three people
举个例子
He is the tallest boy in my class.(he属于class)
He is the tallest of these boys.(boys和he是对应的,he就是boy)
多练就好了
A in
in是指一个广泛的范围,像in the world,in the class
of是对应的范围,像of the three people
举个例子
He is the tallest boy in my class.(he属于class)
He is the tallest of these boys.(boys和he是对应的,he就是boy)
多练就好了