they aren't apple trees.改为单数句?
they aren't apple trees.改为单数句?
They aren't apple trees.改为单数 Open the door,piease.否定句
They aren'r apple trees改单数
英语题,教教我吧!they aren't apple trees.(改为单数句)___________________O
These are apple trees(改为单数句)
No, they aren't.改为单数形式
they aren't orange oranges.改为单数形式
1.They aren't reading the books.(改为单数形式)
They aren;t my grandparents.(改为单数形式)
No,they aren't单数
把these aren't their brothers改为单数句
These aren't their brothers. (改为单数句)