_ may have a chance to be successful if he tries his best.

He likes to play ____ football, but I like to play _____ piano.

Jim has a sister. He likes playing games with ________.

________ theme of the Shanghai Expo is “Better city, better life”． It will send _____ message to people around the world to care about the places where they live．

You had better take something to read when you go to see the doctor____ you have to wait.