what kind of film do you like best这句话对吗?kind/film后哪一个要加S吗?如果不用,为什么

What kind of film 还是films what kind of film do you like best这句话对吗?kind/film后哪一个要加S吗?如果不用,为什么 What kind of work do you do? what kind of movies do you like? what kind of movies do you like? what kind of food do they have? What kind of job does David do? what kind of family do you what kind of noodles do you have? What kind of noodles do you like? What kind.of.do.you.like? what kind of do you like What kind of animals do people keep? What kind of ( ) do you play? WHat kind of animals do you like? Do you like what kind of feeling movies,kind of,do,they,what,like What kind of things do you like?