Lily dances so well. Who teaches her— She learns all by herself. She never goes to any training classes.

Jenny goes to school on foot．Ittakes her about half ____ hour to get there．

Is this ______ key ring – No, it is _____.

The old man often gets_____ there at six by bike.

_______ ship turned over and sank (沉没) off _______ island in South Korea on April16.