1. explain the use of the present simple in the following sentences:
rivers flow to the sea. 2. the student buys a lot of books at the beginning of each semester. 3. music
makes me forget all my problems. 4. mr. hill lectures in philosophy at the university. 5. not shout.
we can hear you clearly. 6. i see you understand. 7. the teacher asks us a lot of questions in the classroom
every day. 8. there are four seasons in a year. each season lasts three months and brings changes in
weather. 9. this house belongs to mr. black. 10. if paul calls us, we will invite him to dinner 11.
when spring came, they would go to venice. 12. we were told you were looking for a job. 13. i forgot where
she lives. 14. every weekend she gets in the car, goes to the country and works in the garden.
15. the next bus leaves at exactly 5 o'clock. 16. the ship sails every tuesday.

At home I live Guinea pig. I love her very much. She is so small, but very nimble and mischievous. She has a beautiful muzzle and black eyes, tiny legs and a cute tail. She loves it when I talk to her, bring her what she loves and clean it. I called her Dejected. She is wonderful and kind. Tosya likes to play, swim and drive the ball. Me having fun with her and I'm on the shore and cherish her. When she's sick, I bring her to the vet. She's drinking vitamins and eating your favorite treats. Tosya is my real friend.

1.I am a student. I am at school.
2. My brother is an artist. He is not an engineer.
3. My sister is at work. She is a doctor.
4. He is a student, not a teacher.
5. Are you a student? - No, I'm a student.
6. My sister is at home. She is ill.
7. We are not at school. We're home.
8. My brother is a disciple. He is at school.
9. Is your mother at home? - She is not at work.
10. Is your cousin at home? "No, he's at school." 11. Is your sister healthy now? - Yes, she is healthy.
12. Is your sister a teacher? - No, she is a student.
13. Is your dad at work? No, he's at the dacha. 14. Is your sister a typist? - Yes. She's a typist. 15. My grandfather is not a scientist, he is a geologist.
16. My mother is not a teacher. She is a doctor. 17. Whose pen is this? - This is my pen.
18. Whose book is this? - It is your book.
19. Whose is this table? - It is my brother's table.
20. Whose bag is this? - This is my mother's bag.
21. Whose is this pencil? "This is my sister's pencil."
22. Is this your notebook? - Yes, this is my notebook.
23. Is this your brother's notebook? - No, this is mine.
24. Where is your table? - He is in the middle of the room.
25. Where is your pen? "She's in my pocket." 26. Where is your notebook? - She is on the table.