This is a ball.(改为一般疑问句,并作否定回答)
问题描述:
This is a ball.(改为一般疑问句,并作否定回答)
答
Is is a ball?
No,it isn't.
This is a ball.(改为一般疑问句,并作否定回答)
Is is a ball?
No,it isn't.