IV. Choose the word which best fits each gap.(1.5pts) The Ha Long Bay is (17) ________ in Quang Ninh Province in Vietnam. The name of the bay is roughly translated to descending dragon in Vietnamese. The bay is a UNESCO World Heritage (18) ________ and is lined by over a 1600 limestone islands and islets. Legend has it that, when the Vietnamese were protecting their territory (19) ________ invaders, they offered prayers to their gods who then sent dragons as the protectors of the place. (20) ________ the invaders were approaching via sea, the dragons spat out Jewels creating islands that lined the bay and obstructed the ships and boats of the invaders. Ha Long Bay is one of the (21) ________ popular tourist destinations and is visited by hundreds of thousands of tourists each year. You can opt for a (22) ________ cruise, that will take you as close to a lot of these islets. 17. A. visited B. located C. followed D. discovered 18. A. Nature B. Sight C. Wonder D. Site 19. A. from B. with C. to D. by 20. A. What B. Where C. When D. Which 21. A. much B. many C. more D. most 22. A. train B. boat C. plane D. bus