26. That car whose engine is very good belongs to Dr. Clark.
27. Thank you very much for a present which you sent me.
28. This is Mrs. Jones, whose son won the championship last year.
29. Rod Lee, whose sister I know,has won an Oscar.
30. Is this the style of hair which your wife wants to have?
31. A man who said Tom was out answered the phone.
32. 7. 05 is the time when my plane arrives.
33. Max isn't home yet, which worries me.
34. Do you know the building whose windows are painted green.