How many ----- are there in your family?four,my parents,my brother and------ what----you do i'm a student.where do you-------?I study in No.5----School.what-----your brother do?he's a-----.he's in the army.what are your parents?oh,my father is a bus------.my mother is a------.she-----English in a school.oh,i see.thank you.that's OK.根据对话补全单词,急