Безотлагательно помогите пожалуйста номер 3 даю 30 баллов все 7 предложений

Past Continuous прошедшее долгое время. Как следует из названия, оно отвечает за события, которые происходили в прошедшем и длились какое-то время.
Were ( если местоимение множественного числа либо You )
Was ( если местоимение единственного числа , такие как he, she, it)
1. A:What were you doing last night at 7:00 pm?
B: I was chatting in the internet with my friends.
2: A: What were your parents doing at 5:30 yesterday?
B: They were cooking dinner.
3: A: Was your sister sleeping at 8:00 am this morning?
B: no, she wasnt sleeping. She was taking a shower.
4. I was watching....
5. ....We were having dinner.
6. ....Were making breakfast.
7. ...Was Tom doing...
8. ...It wasnt snowing.