句型转换：They are doing housewoek.(分别改成一般疑问句和否定句）The students are cleaning the
问题描述：
句型转换：They are doing housewoek.(分别改成一般疑问句和否定句）The students are cleaning the
classroom.(改为一般疑问句并做肯定和否定回答） I m playing the football in the piayground.(把in the piayground进行疑问） Tom is reading books in hie study.(对reading books进行疑问）
答
1Are they doing housework?They are not doing housework.2Are the students cleaning the classroom?Yes,they are./ No,they are not.3Where are you playing the football?4What is Tom doing in his study.：）...