There are kangaroo.怎么改为一般疑问句

网友回答

What are these?
They are kangaroo
======以下答案可供参考======
供参考答案1:
把Be动词提前就行了
供参考答案2:
Are there any kangaroos?
希望你能满意
供参考答案3:
Are there any kangaroos?