they are playing footboll at school.改为否定句 i'm doing my homew
they are playing footboll at school.改为否定句 i'm doing my homew
I'm playing computer games 改为否定句 They are watching TV 改为一般疑问
I'm doing my homework.(改为否定句)
They are my boxes 改为否定句
they are my aunts.改为否定句
They are doing housework(改为一般疑问句和否定句)
There are more than 1800 students at my school.(改为否定句)
1.They had lunch at school yesterday.(改为否定句)
They go to school at seven.改为否定句
they have sports at school every day 改为否定句
My parents are doing some housework togther.(改为否定句)
I‘m doing my homework now(改为否定句和一般疑问句)