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

问题描述:

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

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