Open the brackets using Present Continuous,Present Simple, past Simple or past continuous
1.Ronnie (speak) to his sister right now
2.Jane usually (walk) to school, but today she (go) by bus
3. Peter (work) in the factory 23 years ago
4. What(you/do)now?
5. Mr Brown (become) a vet 12 years ago
6. I (sleep) when she (knock) at the door
7. When I (arrive),my classmates (write) a test
8. He (cross) the road when I (see) him.

Teenagers are very stressful and difficult people. it causes of their harmonical activity. they are depressed and often prefer listening music instead of talking to people. as it is a time of personal growing they have problems with parents. they argue and showing themselves. the same situation with their friends. usually they fight a lot, but nothing serious happens. sometimes because of influence of other people they making wrong decisions for example start smoking or tastes alcohol. but with patient of parents and family they will pass this period without serious problems.

Present simple: 1.our family has a sportcar which is very fast. 2.fast trains run fast but slow trains run slowly. 3.my eldest brother goes to university 5 times a week. 4.misha does his chores every week. 5.my girlfriend and i often go for a walk after school. 6.does he live there? 7.i   study physics and maths at school everyday. 8.galina dances very good. 9.do you listen to pop-music? 10. what do you think about jane? present continuous: 1.i am going to help my mum today. 2.he is running after someone  right now! 3.my father is still reading that newspaper. 4. don't bother me, i am writing! 5. he is always taking my books. 6. lera is studying hard at the moment. 7. who am i speaking to? 8. i am thinking how i can fix this machine. 9. my girlfriend is smiling someone right 10. the president is having an audience at the very moment.