1.Is that a white table?(先作否定回答,然后把原句变复数) 2.They’re our pen friends.(变单数) 3.

问题描述:

1.Is that a white table?(先作否定回答,然后把原句变复数) 2.They’re our pen friends.(变单数) 3.

No,it is not.Are those white tables?.
He is my pen friend.