​I always try my best to save energy in school. Every day, I turn off the lights and fans before I leave the classroom for break time or home. I also make sure to turn off the water tap tightly in the restroom. These small actions are very important because they help protect ouur environment and save natural resources for the future.

1.Students should use online resources for learning.

2. Although she didn't speak English well, she traveled alone to the UK.

1. The students are doing a science experiment in the lab now.

2.Space travel will become affordable for everyone in the future.

3.You shouldn't stay up late to watch TV programmes.