Ответ:

1. Please be quiet. I am trying (try) to read my book.

2. Have you heard (you/hear) the bad news? Simon has broken (break) his leg!

3. She always remembers (remember) my birthday.

4. Mr Brown works (work) in a supermarket.

5. Shakespeare wrote (write) a lot of plays.

6. I am not using (not/use) the computer at the moment so you can use it.

7. I’m so tired. — Don’t worry! I will help (help) you.

8. She hasn't read (not/read) the book because she is not (not/be) very interested   in that author.

9. Now I am reading (read) the magazine you lent me. I have not finished (not/finish) yet.

10. By the time I got home they had eaten (eat) all the cake.

11. Why not wear (not/wear) shorts? It’s so hot today.

12. I have just remembered (just/remember) something.

13. Ruth is (be) a vegetarian. She doesn't eat (not/eat) meat or fish.

14. Tom didn't come (not/come) to the office yesterday because he was (be) ill.

15. I've lost (lose) my wallet. Have you seen it anywhere?  

16. His flat was really dirty. He obviously had not cleaned (not/clean) it for weeks.

17. Jane is repairing (repair) her bike. She knows (know) exactly what to do.