按要求改写句子。 1. I can hear with my ears. (否定句) ______________________________________________ 2. He's running to his classroom. (一般疑问句) ______________________________________________ 3. The cat has small ears. (一般疑问句) ______________________________________________ 4. I can show you my new bike. (否定句) ______________________________________________ 5. I'm running to the hall . (就划线部分提问) ______________________________________________