句型转换those are their pencil cases.1.Those are their pencil cases.改为一般疑问句,并作否定回答.2.就划线部分提问.The children are
网友回答
Are those their pencil cases?
No,those aren't.
Where are the children today/
What is this?
======以下答案可供参考======
供参考答案1:
1 Are those their pencil cases?
No, they are not.
2 Where are the children today?
3 What is this?