22. The North of England which is more industrial and more working-classs than the South is hilly
23. The South of England which has got a lot of museums, cinemas, theatres and restaurants is urban
24. A few year ago Judy Garrett made a musical, which was a big success
25. Hamlet which everyone loves is a successful play
26. Cambridge which is known all over the world is an old university
27. Sarah couldn't come to the party, which was a pity
28. Waterloo, where Napoleon Bonaparte was defeated, is a city in Autralia
29. We may never know the real reason why President Kennedy was assassinated
30. Many pepople exchange gifts on December 25 when Christians celebrated the birth of Jeus Christ
31. Dr.Waston, whom you have heard about in the Sherlock Holmes stories, was sometime rather naive
32. Shelia, whom I've just met, is a TV producer
33. This car whose engine broke down yesterday is very old
34. Einstein, who developed the theory of relativity, was a famous German physicist
35. Hoi An, where there are many beautiful old houses. is an ancient town in VietNam.

36. Tet, which occurs in late January or early February, is a festival