What s this in Engilsh? 改为复数形式

What s this in Engilsh? 改为复数形式 What's this?怎么改为复数形式 What's this in English?改为复数形式：（ ）（ ）in English? 改为复数形式 Is that an English book?What"s this in English?It is Tere are ten chairs.用ten提问 what's this in english?改为复数形式 leo what is this ?lt’s a sheep 改为复数形式 复数形式怎么改例如what‘s this in Eglish This is tom'S friend in america.改为复数形式 This is mary's father What’s this?复数形式简单吧 What is this in English改为复数 this改为复数形式 帮我改变句子的句型is that a bus?改为复数形式what’s this?it’s a box.改为复数形式wh