How many _______ does Miss Smith use?

问题描述:

How many _______ does Miss Smith use?
A.kinds of transportatian
B.kinds of transportatians
C.kind of transportation
D.kind of transportations
最好讲解一点的

many kinds of是惯用法 表示 许多种 的意思
kind可数
而transportation作为交通运输工具的意思来讲是不可数的
所以选A