It's an eraser.改成复数句

It's an eraser.改成复数句 that's an eraser改为复数句 It's an appie tree(改成复数句) It‘s an eraser. It is an orange eraser.改为复数 Tom has an eraser.改成否定句 It’s an eraserEight怎么改成特殊疑问句对an eraser提问 英语!单数句改复数!1.He is a boy2.This is his pen3.It's an English book4.He has an eraser eraser改成复数形式 what is this in English?It's an egg.改成复数句 英语翻译 It's an eraser in English. It is an eraser .改为否定句 What are those? (改成单数形式) These are my shoes.(改成单数形式) It is an eraser.(改成复数形式） that's an eraser.it's yellow.（合并为一句） 把Is it an eraser改为复数形式 It`s an eraser.为什么加an不加a It's a computer改为一般疑问句,并作否定回答还有，把It’s an eraser.改为否定句 It is her eraser 怎么改成否定句