If you want to be healthier，you have to eat________ and take________ exercise．

--- You look unhappy. What’s wrong with you?  ---I scored _______points in my class.

—What’s the low-carbon life style like? --Save_______ energy, produce ________ carbon.

 The world is getting smaller and smaller because the Internet gets us       .

 Jackie Chan is from Hong Kong. He has a ____ mouth and a big nose.