this is an eraser 变复数.快
this is an eraser 变复数.快
this is an eraser 改复数
this is an eraser in English变特殊疑问句
It is pen复数.和this is an eraser复数.还有he isboy复数
is this your an eraser?
This is her an eraser.与This is her eraser.
This is an eraser 对an eraser 提问
This is an eraser That is a
Is that an egg?变复数 Is it a pen?做否定回答 Those are eraser.变单数 Th
This is an eraser.(改为否定句)
句型转换改为复数this is an eraser.what's this in English?He is my fe
将下列句子由单数变为复数形式或由复数变为单数形式 :1.This is an eraser .