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

题目

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）

答案

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.：）...