Заполните пропуски соответствующей формой глагола to be
1. our children ... at school 2. i ... at the lesson now 3. tomme and billy ... babies 4. the spoons ... on the table 5. my friend liza ... a good student 6. the weather ... fine today 7. my sons ... married yesterday 8. i ... interested in this work 9. our expert ... a busy person 11. my dad ... a driver 12. we ... all friendly in our family 13. they ... here at 3 o'clock tomorrow 14. they ... happy to see us