1. Something smells good. Are you cooking a pie?
2. I must go to the doctor. My toothache is getting worse.
3. She has found a new job. She is starting next week.
4.The teacher has been correcting essays for three hours.
5. He began to study medicine because he wanted to help people (здесь нельзя использовать глагол become!)
6. I've got to go now, but I'll see you next week, ok?
7. If I get a pay rise , I'll go on a cruise down the Nile.
8. Who has such qualities as sensitivity, self-confidence, eloquence and vision? — Charismatic personalities
9. What have you been doing since I last saw you?
10. Did you use to like sweets much more than you do now ? - Yes, I used to.