怎么治睡觉磨牙:how many people were on board? how many animals were on board?

how many people were on board? how many animals were on board? how many people died in iraq? 2 pax = how many people? 2 pax = how many people how many people enjoy their job how many people live in Japan? How many people work in the library? how many people will be with you ?还是，how many people will with you? How many people have died of AIDS would wide? How many people are there in your _____(家)?