Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks from 21 to 24. Singaporehas a highly developed market-based economy (21) _______ historically revolves around extended trade. Along withHong Kong,South Koreaand Taiwan Singapore is one (22)_______ the Four Asian Tigers. The economy depends heavily on export, refining, imported goods, especially in manufacturing. Manufacturing constituted twenty six (23) ________ ofSingapore’s GDP in 2005. The manufacturing industry is well –diversified into electronic petroleum refining chemicals, (24) _______ engineering and biomedical sciences manufacturing. In 2006,Singaporeproduced about 10 percent of the world foundry water output.Singapore’s the busiest port in the world in terms of tonnage shipped.Singaporeis The world’s fourth largest foreign exchange trading centre afterLondon,New YorkCity andTokyo.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each