1.It's a good idea for students to use online resources for learning.

2.She traveled alone to the UK although she did not speak english well

At school , l always try my best to save energy. I usually turn off the lights and fans before leaving the classrom. I do these things every day to form a good habit. Saving energy is very imp.

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 programme.

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 programes