Choose the right tenses (present continuous, present simple, present perfect). 1. jack … (always, have) colds and chest problems and his cough is irritating. 2. anne … (fly) to paris on monday for a holiday. her flight … (take) off at 8.15 in the morning and … (arrive) in paris at 9.15. 3. eric … (see) his dentist tonight. he … (already, make) an appointment. 4. i don't like this meat. it … (taste) so salty. 5. don't pay attention to little kate. she … (just, be) awfully noisy these days. 6. the world population … (grow) and it's really a big problem for our planet. 7. mr. brown … (attend) a seminar on tuesday. he … (already, make) a report. 8. barbara … (constantly, cause) trouble at work. what … (happen) to her? 9. dave … (play) football professionally for very long. 10. claudia … (like) sport. she … (always, like) sport. 11. how many glasses of juice … (you, drink) today? 12. i … (know) what you … (mean). you … (appear) to have a problem. 13. this is the first time mark … (drive) a car. 14. it … (snow) again. it … (snow) all the time here in winter. 15. the dog … (smell) meat. this is the third time she … (do) this. 16. little larry is dirty from head to foot because he … (play) in the mud. 17. sonya … (try) to study. she … (try) to focus her attention on the text for the last hour, but her next-door neighbour … (make) a noise. he … (seem) to interrupt her. 18. rosa … (read) the book for several months, but she … (not, finish) reading it yet. 19. ted … (not, do) his homework so far. he … (still, continue) doing it. 20. tony … (be) ill since he came back from his holiday.