按要求进行句型转换。每空填一词。 1. We have some balls. (改为一般疑问句) ____you____any balls? 2. It is a nice day.(改为感叹句) _____ _____ _____ _____it is! 3. Listen to the tape. (改为否定句) _____ _____to the tape. 4. Sally visited her grandparents yesterday. (改为否定向 ) Sally _____ ____ her grandparents yesterday. 5. The girl in a red sweater is Lily. (对画线部分提问) ____ ____ is Lily'? 6. He spends an hour playing basketball.(改为同义句) It takes him an hour_____ _____basketball.