this dictionary is in that box复数
this dictionary is in that box复数
This book is in that box.(改为复数形式)
this is knife in the box(变复数句
英语改复数形式That is a dictionary This is an exercisebook It is a
This is his dictionary.单复数转换
That is my dictionary 改为复数句
That is you dictionary改为复数句子
That is a dictionary.改为复数句
把This is a box and that is a knife.改成复数形式
This is a box and that is a knife (改为复数句)
This baseball is in that box.(改为复数句)—— —— ——in —— ——.
This is a box.改为复数形式