综合填空。根据短文内容，用所给单词的适当形式填空。 live, develop
题型：填空题
问题：
| 综合填空。根据短文内容，用所给单词的适当形式填空。 | |
change will take place 3 2050? Now we have some modern factories. They can produce products with high quality (质量). And some people are looking for better ways 4 free time. They want 5 a happy life. So catching up with the changes of the world is a great challenge for the young people. 1.________ 2.________ 3.________ 4.________ 5.________ |