Ex.2. Fill in the blanks with the required forms of the

Ex.2. Fill in the blanks with the required forms of the verb to be in the Present Tense:
1. I ... twenty.
2. You ... thirty.
3. They ... doctors.
4. She ... a swimmer.
5. He ... a very good friend.
6. We ... very busy in summer.
7. One of my friends ... fond of reading.
8. Football ... the most popular kind of спорт.
9. My father proud of my marks.
10. My friends good at different sport games.