Is that an egg?变复数 Is it a pen?做否定回答 Those are eraser.变单数 These are English books.变单数
问题描述:
Is that an egg?变复数 Is it a pen?做否定回答 Those are eraser.变单数 These are English books.变单数
答
Is that an egg?变复数 Is it a pen?做否定回答 Those are eraser.变单数 These are English books.变单数