Помогите пожалуйста!!!:) Предайте последующие предложения в Active. Use your own subject.

Помогите пожалуйста!!!:)
Предайте последующие предложения в Active. Use your own subject.
1)The room was cleaned and aired.
2)The litter has just been typed.
3)I will not be allowed to go there.
4)All the questions must be answered.
5)The patients are looked after well.
6)This house was built last year.
7)This mountain has never been climbed before.
8)He was fined for crossing the street in the wrong place.
9)By three o'clock everything had been prepared.