that is my photo改复数

that is my photo改复数 That is a photo.改复数 that is my photo 改为复数 This is his sisters （复数） Is he your mother（做否定回答,在改陈述句）That is my family photo（改为同义句） 将Is this that twin sister's photo改为复数形式怎么改? This is my brother.改为一般疑问句 that is his photo.改为复数形式 that is a nice photo 复数形式 Is that a photo?的复数形式 Here is my family photo 变复数 Where is my photo?变为复数句 That is my knife.改复数句怎么做? 把下列句子改为复数形式He's my friend.This is my parent.That is his sister.Is this a photo?Is he your brother? This is my family photo.改为复数形式 This is a photo of my family.变复数 把下列句子改为复数形式 This is my key That is your photo He把下列句子改为复数形式This is my keyThat is your photoHe is my friend要方法 it is an eraser的复数形式!helpit is an eraserThis is my pencilIs that a photo of mineShe is our teacherIs this book on the desk 初一英语的复数形式,请简单说明,1.This is my uncle.2.Is that his friend?3.Is she your sister?4.this is a photo. That is a photo ( ) my family.( ) are my grandparents.