Carbon dioxide, which makes a ______ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.

Would you like to_______ with us to the film tonight?

 You should make good use of every _______minute to study

One reason for her ________ for city life is that she can have    easy access to places like shops and restaurants.

To       good relationships with your teachers and classmates, you should learn to be on good terms with them.