How many people does China have?为什么 用 does 而不用do

How many people does China have?为什么 用 does 而不用do how many levels does education in China have? How many children （does） your uncle（ have）?为什么要用does和 have? What does he he usually do on sundays?为什么这里用does/而不用do? How many bedrooms does your flat have?为什么要用does How many .does.have?造句 How many classes( )their aunt have?(does/do) how many legs does crab have?为什么要加个have 为什么用how many times have you read it而不用how many times have yo what does it mean?为什么用does而不用is how many apples do you have?对不 how many apples does he have? how many ()does green have.填dress 还是dresses?为什么