4．
根据短文内容和所给中文提示，在空白处写出单词的正确形式。
Hello, everyone! Welcome to our city to learn Chinese. The classes （持续）for four hours a day. The teachers in our school have lots of teaching （经验）and they're well （训练）. They're （肯定）to provide you with excellent lessons. The students can either live with a Chinese family or stay in a hotel nearby. It （由……决定）on yourself. The life of （家庭寄宿）will be more colourful. It will be a good chance to experience the traditional life in China. But if you （更喜欢）to live alone, you can stay in a hotel. As well as learning Chinese, we have many other interesting things to do in our city. For example, we can have a bike ride around the city in the morning. You can also go shopping in the local supermarkets. We （鼓励）you to speak Chinese as much as possible here. You can also join some clubs, such as sports clubs and art clubs. I'm sure you'll have a wonderful time learning Chinese here and make great （进步）. Come and （填满）out the form right now!
