三、句型转换：
1.They are doing housework .(分别改成一般疑问句和否定句)
①__Are they doing housework?
②___They are not doing housework
2．The students are cleaning the classroom .( 改一般疑问句并作肯定和否定回答)
①___Are the students cleaning the classroom?
②_ __Yes,they are_
③___No,they aren't_
3．I'm playing the football （in the playground） .(对括号里的部分提问)
___Where are you playing the football?_________
4．Tom is （reading books） in his study .(对括号里的部分提问)
____What is Tom doing in his study _________
有什么不明白可以对该题继续追问
请及时选为满意答案,