 There are deserts all around the world. They can be found (1) ________ China, South America, and North America. In some places, deserts are growing. This is a (2)________ problem because deserts destroy farmland. When people cannot but also people can grow food, they have to leave their homes. Not only (3)________ cause deserts to grow. People can cause too (4)________ the weather hotter. Large numbers of people can damage the land. Also, cutting down too (5)________ air pollution, and it makes trees can make the sol lose water. People must take better care of the land if they want to stop desert growth. 1. A. in B. On C. At D. of 2. A. wonderful B. Normal C. Serious D. simple 3. A. environment B. nature C. neighbourhood D. school 4. A. little B. much C. many D. few 5. A. few B. Some C. Any D. little