句型转换 Are these your pencil-boxes?(改为单数形式） ___ ___ your___?We are in Class Three、Grade one .（对Class Three、Grade one进行提问）___ ___are you in?That is'n an old book.(改为复数形式）__ __old____We can see it.(改为否定句）We __ __it.We are in the same class(改为一般问句）__ __in the same class?将下列句子改为复数This is my box.That is your clock.It is an apple.He's a teacher.Is that an orange?
问题描述：
句型转换 Are these your pencil-boxes?(改为单数形式） ___ ___ your___?
We are in Class Three、Grade one .（对Class Three、Grade one进行提问）
___ ___are you in?
That is'n an old book.(改为复数形式）
__ __old____
We can see it.(改为否定句）
We __ __it.
We are in the same class(改为一般问句）
__ __in the same class?
将下列句子改为复数
This is my box.
That is your clock.
It is an apple.
He's a teacher.
Is that an orange?
答
Which class
Those are books
can't see
Are you
These are my boxes
Those are your clocks
These are apples
Are those oranges？
答
Are these your pencil-boxes?(改为单数形式）（Is this ) your(pencil-box We are in Class Three、Grade one .（对Class Three、Grade one进行提问）(What grade ) are you in?That is'n an old book.(改为复数形...