These aren’t erasers.(单数)
These aren’t erasers.(单数)
These aren't their brothers. (改为单数句)
these aren't interesting hobbies.(单数)
1.They aren't my erasers.They're your erasers.(修改病句) 2.Tom h
are these your erasers?改单数句
把these aren't their brothers改为单数句
aren't的单数
these aren't their brothers改为单数句 jack is my brother's good f
Those are erasers.(改为单数句)
No,they aren't单数
Those aren't any oranges.(改单数句)
They aren;t my grandparents.(改为单数形式)