i'm playing football (in the playground) tom is
问题描述:
i'm playing football (in the playground) tom is
i'm playing football (in the playground)
tom is (reading books )in his study
对括号提问.
答
What are you doing?
What is Tom doing?they are doing housework
the students are cleaning the classroom
改为一般疑问句。第一句改为否定句。1,在are后面加not.
2,把are提前