VIII. Complete the sentences with the correct form of comparatives or superlatives of the adjectives. 1. The Great Wall of China is the world’s (long) structure. 2. The Me Kong River is (long) ___ than the Red River. 3. Mexico City is (big)_______ than Tokyo. 4. Ho Chi Minh City is the (big)_______ city in Viet Nam. 5. China has the (big)_______ population in the world. 6. The Nile River is the (long)________ river in the world. 7. Fansipan is the (high)________ mountain in Viet Nam. 8. Buri Khalifa in Dubai is the world’s (tall)_________ building. 9. Russia is the (big)________ country in the world. 10. Petronas Twin Towers in Kuala Lumpur is (tall)_________ than Sears Tower in Chicago.