Exercise 6. Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. 29. The best way_______ London is by taking a guided tour. A. of which to see B. to see C. Seeing D. in which you see 30. Hoi An Ancient Town is a well-preserved example of a Southeast Asian trading port ________ from the 15th to the 19th ceníxiry. A. to date B. dated C. that date D. dating 31. John F. Kennedy was the last US president ________ . A. to assassinate B. assassinated C. Assassinating D. to be assassinated 32. The Complex of Hue Monuments was the first site in Viet Nam _______ to the World Heritage List. A. adding B. to add C. to be added D. added 33. The archaeological excavation ________ to the discovery of the ancient city lasted several years. A. led B. leading C. to lead D. being led 34. I picked up some holiday brochures __________ around the table at the travel agency. A. to lie B. lying C. to be lying D. being lying 35. Situated on Cam Khe Hill, Tomb of Minh Mang is one of the most interesting royal tombs ________ in Hue. A. to visit B. visited C. visiting D. being visited 36. You may choose one from the five World Heritage Sites in Viet Nam_________ in this leaflet to visit on your next field trip. A. includes B. including C. included D. to include 37. The most magnificent feature of Taj Mahal________ is the Central dome. A. noticed B. being noticed C. to notice D. noticing 38. Scientists_________ on the site found many ancient tools, tombs and pottery, and made some important archaeological discoveries. A. ưorked B. working C. to work D. to be working 39. Henry VIII of England was the only king___________ six times. A. To marry B. married C. was married D. marrying 40. At 24, William Pitt was the youngest person___________Prime Minister. A. becoming B. to become C. became D. was become