Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks. (1,0pt)

Located in the Gulf of Tonkin, Ha Long Bay may be the most beautiful destination in Southeast Asia.
___(1)___ ________ by UNESCO as a World Heritage Site in 1994, Ha Long Bay is considered one of the New Seven Wonders of Nature by global poll. The name Ha Long, ___(2)___________ means descending dragon, comes from an ancient tale. In the story, there was once a dragon descending from the sky and dropping thousands of pearls which later ___(3)___ ________ islands and islets with different sizes and shapes that emerged from the water surface. Some of them possess distinctive shapes like Trong Mai islet, Oan islet, or Ga Choi islet. These became the main attractions when sailing around the bay. Some famous islands like Co To, Tuan Chau, Ti Top, and Quan Lan have breathtaking views of emerald water and unspoiled sand which have become the best destinations ___(4)___ ________ most foreign and domestic visitors.
___(5)___ ________ more than 1,600 islands and islets, there are many splendid caves and grottos scattered around the bay such as Thien Cung, Dau Go, Luon, Sung Sot caves and more. Those have become well-known all over the world for their spectacular beauty and outstanding geological value.