they are clever boys.变成一般疑问句并作出可定回答
问题描述：
they are clever boys.变成一般疑问句并作出可定回答
答
你好！
Are they clever boys?
No,they are't
祝你学习进步O(∩_∩)O哈！
答
Are they clever boys?
Yes,they are.