Нужно правильно вставить местоимения no one или none​

I have pets. They are goldfish. Their names are Crash and Sin. They two years. They live in a large aquarium. There is an aquarium on a table near the window in my room. I feed them a special food every day. They can swim well, but they could not speak. I like to watch the fish swimming in an aquarium.
У меня есть домашние питомцы. Это  золотые рыбки.   Их зовут  Краш и Син. Им два года . Они живут в большом аквариуме.  аквариум находится на столе около окна в  моей комнате. Я кормлю их  специальной едой каждый день. Они умеют хорошо плавать, но они не умеют говорить. Мне нравится наблюдать за рыбками плавающими в аквариуме.

1.When I met her , she was going to the office.
2.He was washing his face when somebody knocked at the door. 
3. The young people were dancing when I came to the party .
4. When he was washing the dishes , he broke a plate .
5. What was he doing when you saw them ?
6.She came home at eleven o'clock that's why she didn't call you.
7. When she saw him a year ago she didn't recognize him .
8.I was very busy yesterday . I was preparing for my exam the whole day. 
9. My brother was washing the dishes while I was sweeping the floor .
10. Why didn't you see the doctor yesterday ? 
11. It was raining heavily when he went out 

1 what
2 die
3 tryed
4 did achieve
5 stop
6 were walking
7 created 
8 finished