The 16th ______ Games will be held in Guangzhou, we’ll watch the ______ opening ceremony on TV on November 12th.

Now the air in our city is ________ than it used to be．Something must be done to stop it．

There is ______ food in the fridge.

- Why does Tom like playing football?         _     _     .

---Nancy, I bought you a new car, an Audi A8. ---Thank you, dear. It’s _____ what I want.