His backpack is （under the desk）对括号进行提问 Are your watches on the table?（做否定回答）

题目

His backpack is （under the desk）对括号进行提问 Are your watches on the table?（做否定回答）
Is your bag on the desk?做肯定回答

答案

where is his backpack?
no,they aren't
yes,it is