He is sitting on a football?(改一般疑问句,做肯定回答)

He is sitting on a football?(改一般疑问句,做肯定回答) 改句子 My father is sitting in his armchair.改为一般疑问句并做肯定及否定回答I&# He is enjoying the school trip(改写成一般疑问句,并做肯定和否定回答) He is my uncle (改为一般疑问句并做肯定回答) He is a baseball player There is a supermarket across from the park?改一般疑问句并做肯定回答 there is a mini-lidrary in our class.改一般疑问句并做肯定回答 he is sad.改为一般疑问句并做肯定回答 there is a map on the wall改成一般疑问句,做否定和肯定回答 He is a policeman.变为一般疑问句,并做肯定回答 there is a bag on the bed改否定句,一般疑问句,并作肯定回答和否定回答 He is a student 改为否定句和一般疑问句并做一般疑问句的否定和肯定回答. 谢谢! 1.he often plays football after school(改为一般疑问句并做肯定回答）