问题描述：
1、What _____ he ____ (mend) now?
2、We can't help you ,because we ____ (have) class now?
3、Look!These butterflies _____ (fly) in the sky.
4、Listen!The girl ____ (dance) in the nest room.
5、______ you ______ (play) football now?Yes,we are.
1、They are doing housework.(分别改成一般疑问句和否定句)
2、The students are cleaning the classroom.(改成一般疑问句并作否定回答)
3、I'm （playing football） in the playground.（对括号部分进行提问）
2、We can't help you ,because we ____ (have) class now?
3、Look!These butterflies _____ (fly) in the sky.
4、Listen!The girl ____ (dance) in the nest room.
5、______ you ______ (play) football now?Yes,we are.
1、They are doing housework.(分别改成一般疑问句和否定句)
2、The students are cleaning the classroom.(改成一般疑问句并作否定回答)
3、I'm （playing football） in the playground.（对括号部分进行提问）
问题解答：
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