Помогите. Надо вставить a/an/the/-
1) What … colour is the chalk?
2) It's … white wall.
3) The blackboard is in … classroom.
4) Give me … piece of chalk, please.
5) "New" is … short word.
6) He gets up a half past seven and in ten minutes leaves a home.
7) His father is … old man.
8) For breakfast we have … cup of coffee.