1 . 正是私家车给人们的出行带来了很多便利，这也促使我们的经济迅速发展。（强调句，“介词+ which”引导定语从句）
__________ private cars __________ bring people a lot of convenience in travel, __________ __________ our economy is also urged to develop rapidly.

2 . In the morning, you will be shown around the school, and during the morning, visitors and students from our school can communicate with each other, talking about school life and cultural differences. （用定语从句合并）

3 . 他们就是你可以求助的人.
They are the very people_____________________you can turn for help.

4 . The farm has become a park. We worked on it ten years ago. (同义句转换)
→The farm (which /that) we worked on ten years ago has become a park
→The farm ________ we worked ten years ago has become a park.

5 . 会议上正在讨论的这些问题非常重要，大多数都与我们学校的发展密切相关。（非限制性定语从句）
The questions ________ at the meeting are of great significance ________ are closely related to the development of our school.