I. Fill in each blank with a suitable word to complete the following passage DISADVANTAGES OF FESTIVALS expensive dangerous waste accidents cause Performance crowds preserve Although people love festivals very much, there are also some disadvantages. First, festivals are very costly. Because the general purpose of festivals is to (1) ___________ preserve cultural heritages, a nation is willing to spend a lot of money on this. Moreover, during a festival, most people do not work but spend money on (2) ___________ expensive gifts for their friends and relatives. Second, festivals can be dangerous. People may drink a lot during a festival and cause road (3) ___________ accidents. In many festivals, there are races like cow-racing and elephant racing which may be (4) ___________ dangerous, especially for children. Moreover, in come festivals, when people rush to see the events, they may also (5) ___________ cause other people get hurt. Third, festivals may affect the environment. After a festival,the roads are full of colorful paper, flowers (6) ___________ waste cans or bottles that people throw away. Trees along the roadsides may be damaged by the (7) ___________ crowds. Furthermore, the noise from music and other (8) ___________performances also cause noise pollution.