句型转换。
1. I am listening to music. (对划线部分提问)
_______ ______ ______ _______?
2.They are watching TV. (对划线部分提问)
_______ ______ ______ _______?
3. Peter is cooking.(一般疑问句)
_______ ______ _______?
4. I am playing football. (一般疑问句)
_______ ______ ______ _______?
5. Is he swimming? (否定回答)
_______, ______ ______ .
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