单数和复数都可以.单数用得多一点.例如
what kind of transportation means do you like?
what kinds of food do you want?
what kinds of books are the most popular recently?what kind of 后加单数的话，为什么还有what kind of noodles would you like我就是单复数搞不清，补全对话什么的总错我已回答了你的追问