1. I was having lunch, when he slept.
2. I was going to home, when I met my friends.
3. I was taking a shower, when he called me.
4. He was watсhing TV, when I was cooking dinner.
5. I was doing my homework, when he was playing computer games.
6. They was having breakfast, when I left.
7. I was walking home, when my mom called.
8. I was reading a book, while mom was making dinner.
Ответ:1.does 2.does 3.does
Объяснение:ко всем does так как все они единственного числа
1.(-)Steve doesn't like playing musical instruments.
(?) Does Steve like playing musical instruments?
2. (-) Tom is't interested in Nature studies.
(?) Is Tom interested in Nature studies?
3.(-) Emma and Sue are fond of sports.
(?) Are Emma and Sue not fond of sports?
4. (-) My parents don't like watching films in their free time.
(?) Do my parents like watching films in their free time?
Does только-she.he.it.В остальных случаях Do/
1Do
2Does
3Do
4Do
5Does/
Написала только ответы.