what kinds of/what kind of 有什么区别

题目

what kinds of/what kind of 有什么区别

答案

what kind of 是正确的.
没有what kinds of,你问的是：哪一种?
一中,所以不应用复数,但后接的那个种应该用复数,
such as:What kind of people are you?people是复数!