what 类别which个别
what book do you like?喜欢什么类别的书?
which girl do you like?哪个女孩你喜欢?
they are twins,i can tell which is which.两个双胞胎,分不清哪个是哪个.
what do you like?喜欢什么?
which apple do you like?哪个苹果你喜欢?