the green suitcase is the heaviest of them all...them 为什么用宾格.
问题描述：
the green suitcase is the heaviest of them all...them 为什么用宾格.
答
of 是介词,介词后加名词,名词要用宾格.
the green suitcase is the heaviest of them all...them 为什么用宾格.
of 是介词,介词后加名词,名词要用宾格.