将计算机分为：巨型机、大型机、小型机、微型机，划分依据是（）。 A.结构 B.功能

1. Three-year-olds is too young to dress themselves.
2. The boy is not enough old to be a volunteer.
3. You can’t allowed to go boating today.
4. The teachers come from England. So are the students.
5. I’m not allowed to go out on school nights too.