That box is his复数句式
That box is his复数句式
That is a box 改为复数句子
is that a box改成复数
this dictionary is in that box复数
The lunch box is his.(改成复数句)
This is his pencil-box.改为复数句子怎么改?
that is her pencil—box(改复数句)
This book is in that box.(改为复数形式)
That is a box 改为单数或则复数
that is his pen变复数句
That is his brother的复数形式
that is his brother 改为复数句