-I turn off the lights,fans,and televison when they are not used. I also open the windows to use natural light

-I do these things every day at school

-They are important because they help protect the environmentt and save electricity

-I turn off the lights,fans,and televison when they are not used. I also open the windows to use natural light

-I do these things every day at school

-They are important because they help protect the environmentt and save electricity

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

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

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