II. Read Che following passage and mark the letter A. B, C or D on your answer sheet to indicate the correct word that best fits each of the numbered blanks.

     No one really knows where rice came from Some scientists think it started to grow in two places They think that one kind of rice grew in southern Asia thousands of years ago. However, people in China (20)_________ about it almost 5,000 years ago Other (21) _________ think rice came from India and the Indian travellers took it to other parts of the world. There are two main ways to grow nee. Upland rice grows in dry soil. Most rice grows in wet soil. People in many countries do all of the work by hand. Some countries now use machines (22) _________ their rice farms. The farmers all use fertilizer. Some insects are enemies of rice. People use every part of the rice plant. They make food for animals (23)_________ rice oil from it. They also make baskets, rugs, sandals and roofs for their (24) _________. They burn dry plants for cooking.