Срочно помогите пожалуйста номер 3 даю 30 баллов все 7 предложений с объяснением

Past Continuous – прошедшее длительное время. Как следует из названия, оно отвечает за события, которые происходили в прошлом и продолжались какое-то время.Were ( если местоимение множественного числа или 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 wasn’t 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 wasn’t snowing.