改为复数形式 1、 it is a red orange .2、He is a teacher.3、what is this?.4、He is a Chinese boy.（ 对划线部分提问.）This is a key in English.a key 划线了的.要变成：什么什么 in English
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改为复数形式1、itisaredorange.2、Heisateacher.3、whatisthis?.4、HeisaChineseboy.（对划线部分提问.）ThisisakeyinEnglish.
改为复数形式 1、 it is a red orange .2、He is a teacher.3、what is this?.4、He is a Chinese boy.（ 对划线部分提问.）This is a key in English.a key 划线了的.要变成：什么什么 in English
改为复数形式 1、 it is a red orange .2、He is a teacher.3、what is this?.
4、He is a Chinese boy.（ 对划线部分提问.）This is a key in English.
a key 划线了的.要变成：什么什么 in English
改为复数形式 1、 it is a red orange .2、He is a teacher.3、what is this?.4、He is a Chinese boy.（ 对划线部分提问.）This is a key in English.a key 划线了的.要变成：什么什么 in English
1、 it is a red orange .These are red oranges.
2、He is a teacher.They are teachers.
3、what is this?.What are these?
4、He is a Chinese boy.They are Chinese boys.
What is this in English?
It is a dictionary改为复数形式
It is a watch.(改为复数形式)
is it a bus改为复数形式
It is a photo.(改为复数形式)
is it a desk?（改为复数形式）
it is a box.(改为复数形式）帮忙啊!
it is a cat 怎样改为复数形式?
英语句的复数形式What is this?It is a desk.改为复数形式
What is it 改为复数形式
Here it is.改为复数形式
It is my pen.(改为复数形式)
whose coat is it?改为复数形式,
7、This is a yellow coat.(改为复数形式） 8、Is it an oraser?(个为复数形式）
She is a policewoman.改为复数形式
this is a book改为复数形式
This is a dress.改为复数形式
This is a cat.(改为复数形式)
This is a box.改为复数形式