Даю 30 баллов
Заданий 2,3​

Ответ:

1. When do we have tea?
2. - (нет выделенного)
3. What were they doing?
4. How many books have I borrowed?
5. Where did they go last winter with their friends?

1. doesn't it
2. hasn't he
3. didn't it
4. don't you
5. isn't it
6. won't they
7. have they