犹龙演过电影全集:1.How many t___ of cinnamon do we need to make fruit salad?

1.How many t___ of cinnamon do we need to make fruit salad? How many kind of animals in africa? how many kinds of poputions are there? how many kinds of pollution are there? How many ____ do you need?A.hours of sleep B.hours of sleeping C.sleeping hours 为什么选A how many countries are in the area of middle east How many people have died of AIDS would wide? How many of football competitions do you know? How many kilograms of bamboo do pandas eat everyday? how many sheets of paper in a ream?