These boxes are brown.变单数
These boxes are brown.变单数
These are boxes. (改为单数句)
These boxes are ours氦为单数形式
These boxes are ours.(氦为单数形式)
单数句变复数句,复数句变单数句1He is his friend.2Those are boxes.3 These ar
these coats are yeiiow变单数形式
These are my friends .变单数
These are bedrooms.(变单数)
1.Whose boxes are these?
句型转换 Are these your pencil-boxes?(改为单数形式) ___ ___ your___?
these变单数
1.These are men.(变单数句子)