Самые высокие горы России - …..

Самые длинные горы России -
 

Поставте to be в Present, Past или Future Simple.

1. The students......... in the Russian Museum. 2. Last month they............in the Hermitage. 3. In two weeks they.........in the Tretyakov Galery. 4. My father..........a teasher. 5. He......a pupil twenty years ago. 6. I.........a doctor when I grow up. 7. My sister.....not.....at home tomorrow. 8. She....at school tomorow. 9. .....you....at home tomorrow? 10. ........your father at work yesterday?

какое практическое значение имеет биология??
помогите, пожалуйста)