句型转换。 1. These bags are fifteen yuan . (对画线部分提问) _____ _____are these gags? 2. It's time for basketball.(改为同义句) It's time _____ _____ basketball. 3. He does sports every afternoon. (改写成否定句) He _____ _____ sports every afternoon. 4. She can dance and sing. (改为否定句) She _____ dance _____ sing. 5. They like comedies because they think they are very funny. (对划线部分提问) _____ _____ they like comedies?