20. If my kids run in the playground they ... (become) very thirsty. (0) 21. I usually watch a film until I ... (fall) asleep. (0) 22. If it ... (cost) too much I won't take it. (1) 23. She will be angry if you ... (lose) this photo. (1) 24. Unless you ... (eat up) the bread we will feed the birds in the garden. (1) 25. If I ... (have) free time I would watch my favourite film. (2) 26. If I were you I ... (not eat) fast food. (2) 27. I wish I ... (have) two more hours to finish my work! (2) 28. His job ... (be) so hard if he had not had a secretary. (3) 29. If we ... (meet) him yesterday we'd have called you. (3) 30. If you ... (not smoke) so much you would not have been in hospital now. (3)