— What is the____of the 2010 World Expo(世博会)? — It is “Better City, Better Life”. A.song B.theme C.custom
_______ nice day! Let’s go out to have a picnic.
Remember, my dear son. ________ careful you are, ________ mistakes you will make.
I find _______ interesting to play with a dog.
Our English teacher is so _________ with us that we all like her very much.
---How do you study for a test? ---________.