21. They … their room while Mary … in the garden.
d) did, worked
22. Kate … already her report when she heard knock on the door.
a) had made
23. When we … TV, we heard somebody … outside.
d) were watching, scream
24. Don’t disturb her: at this very time tomorrow she … a new article.
c) will be typing
25. We’re awfully tired: we … since early morning.
a) walked
26. We never let them … this law.
b) break
27. If I were you, I … immediately to join them.
c) would agree
28. I wondered where … all the time.
d) he was
29. These are … dictionaries. Where are … ?
a) mine, yours
30. The little girl … ill if she hadn’t overeaten.
c) won’t fall