Вставьте необходимую форму глагола “to be” или “to have”. 1. you an engineer? - yes, 2. usually he… breakfast at half past seven. 3. your sister at school? - no, she not at school. 4. she … a lot of friends.

1. Are you an engineer? - Yes, I am.
2. Usually he has breakfast at half past seven.
3. Is your sister at school? - No, she is not at school. 
4. She has a lot of friends.