试题调研官方网站：www.tesoon.com/stdy，学习方法、知识总结大全 关键句型：表示过去与现在的对比的句型（以本题为例）
1. I had to work on weekends doing endless homework and attending classes in the past. However, things have changed a lot now. I have more free time.
2. I used to have to work even on weekends doing endless homework and attending classes. Now I have more free time.
3. In the past, I had to work on weekends doing endless homework and attending classes. But now I have more free time.
4. It’s quite different now. I used to have to work even on weekends doing endless homework and attending classes, but now I have more free time.
5. It’s not like it used to be at all. Now I have more free time. 6. I have more free time than before.
Lesson 24
关键句型一：表示事情发生的句型（以本题为例） 1. The traffic accident happened on February 8,2000.
2. The event took place early in the morning on February 8,2000. 3. The crossroad where 3rd meets Park Street was where it happened. 4. There was a traffic at the intersection of 3rd and Park. 5. It occurred on the corner of 3rd and Park.
关键句型二：表示“观察；注意”的句型（以本题为例） 1. I paid attention to the car’s license plate. 2. I noticed the plate number was AC864.
3. I got a look at his license plate. The number was AC864. 4. I got his license plate number.
Lesson 25
关键句型一：宣布举行活动的句型（以本题为例） 1. The Student Union has decided to organize a music week. 2. The Student Union will hold a music week. 3. A music week will be held by the Student Union.
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试题调研官方网站：www.tesoon.com/stdy，学习方法、知识总结大全 4. We will have a music week held by the Student Union. 5. There will be a music week held by the Student Union. 关键句型二：表达“活动包含??”的句型（以本题为例）
1. The activities will include singing pop songs and playing classical ＆ folk music. 2. Among the activities there will be pop singing and classical ＆ folk performances.
3. Singing pop songs and playing classical ＆ folk music will be just some of the activities offered. 4. There will be many kinds of activities including singing pop songs and playing classical ＆ folk music.
5. We will have abundant activities during the music week, such as dinging pop songs and playing classical ＆ folk music.
【abundant adj. 丰富的；充裕的】 关键句型三；关于报名的句型（以本题为例）
1. If you would like to join us, please tell us before April 20th.
2. If you’d like to take part in the music week, please let us know before April 20th. 3. Those who are interested, please make sure you are on our list by April 20th. 4. If interested, please come and sign up for it before April 20th. 5. All wishing to participate please register before April 20th. 【register v. 登记；注册】 6. April 20th is the deadline to sign up. 【sign up: 签字应征；报名参加】
Lesson 26
关键句型一：告诉某人某事的句型（以本题为例） 1. Do you know what has happened in my school? 2. Let me tell you a few things about my school. 3. I’d like to let you know something about my school. 4. I’d like to inform you of something about my school. 【inform sb. of?通知某人某事】
5. I am writing to tell you something about my school. 6. I would like you to know something about my school.
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试题调研官方网站：www.tesoon.com/stdy，学习方法、知识总结大全 关键句型二：表示“发生变化”的句型（以本题为例） 1. Quite a few changes have taken place. 2. Quite a few changes have occurred. 3. Our school has experienced great changes. 4. Many changes have happened at our school. 5. Many changes have been made at our school. 6. Our school has gone through quite a few changes. 【go through: 经历；经受】
7. There are quite a few changes that have taken place. 关键句型三：描述方位的句型
1. Our school is opposite to the new post office. 2. On one side of the river there is a row of trees. 3. I will wait for you in front of the gate of the park. 4. On the other side now stands a new movie theater.
5. We have made a lot of improvements on and around the campus. Lesson 27
关键词一：give sb. a warm welcome 热烈欢迎某人
1.When we visited the factory, the workers there gave us a warm welcome. 当我们到工厂参观的时候，那里的工人们热烈地欢迎我们。 2. When I got to Mary’s house, her family gave me a warm welcome. 当我去到玛丽家的时候，她一家人热烈地欢迎我。 Let’s give a warm welcome to Professor Li. 让我们热烈欢迎李教授。
关键词二：show sb. around 带领某人参观?? 1. The farmers showed us around the farm. 农民们带我们参观了农场。
2. This afternoon, I will show you around the city. 今天下午，我会带你参观这城市。
关键词三：have fun doing sth. 做某事很愉快。
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试题调研官方网站：www.tesoon.com/stdy，学习方法、知识总结大全 1. Yesterday, we had great fun playing basketball. 昨天，我们条篮球打得很愉快。
2. Did you have great fun spending your vacation in the countryside? 你是不是在乡村度过了一个非常愉快的假期？
Lesson 28
关键词一：point to 指向；指着
1. While talking to us, the young man pointed to a policeman not far away. 那个年轻人跟我们说话的时候，指着不远处的一个警察。 2. He pointed to that oil painting and told us about its history. 他指着那幅油画，向我们介绍它的历史。 关键词二：explain v. 解释；说明
1. The young man explained why they stopped us. 那个年轻人解释人与人之间为什么拦下我们。
2. He explained the reason why he was made to catch the offenders. 他解释他被要求抓违章者的原因。
3. She explained that her bus hadn’t come up on time. 她解释说她要乘坐的公交车没有按时到达。
Lesson 29
关键句型一：表示“学习课程”的句型（以本题为例）
1. Among the subjects I studied in school were Chinese, math, English, physics, chemistry and computers.
2. The main subjects I studied at school included Chinese, math, English, physics, chemistry and computers.
3. I studied many different subjects at school including Chinese, math, English, physics, chemistry and computers.
4. There are many subjects I studied at school, such as Chinese, math, English, physics, chemistry and computers.
5. I studied lots of different stuff in school, including, but not limited to, Chinese, math, English,
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