Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

     If you would like to go to a beautiful, faraway place, you should choose the Hawaiian Islands. Located in the middle of the Pacific Ocean, in 1959 the islands (23) _______ the 50th state of the U.S. Of all the Hawaiian islands, Kauai may be the best place for vacation as it is called a tropical (24) _______. With increasing tourist attraction, its population is getting higher especially in hot seasons. Because thick green rainforests cover the island, the air makes your skin soft and smooth. There is (25) _______air pollution here, and no stress. The beaches of Kauai are large part of its beauty; they are all lovely, clean, white sand. If you want to meet colourful undersea (26) _______you may take a short course for diving. You need an enrolment to get training from professional divers. They also make wide explanations (27) _______ the characteristics of the Ocean. As soon as you make a decision, reserve your place, buy your ticket and say goodbye to your stressful city!

Located in the middle of the Pacific Ocean, in 1959 the islands (23) _______ the 50th state of the U.S. Of all the Hawaiian islands,