Заполните пропуски глаголом to be употребляя соответствующую форму в Present Indefinite
1. Mr. Bell ... an artist.
2. John and I ...his sons.
3. My sister ... a schoolgirl.
4. I ... a student of a college.
5. They ... friends.
6. Yon ... a good boy

1. Mr. Bell is an artist.  

2. John and I are his sons.

3. My sister is a schoolgirl.

4. I am a student of a college.

5. They are friends.

6. Yon is a good boy