is it a bus改为复数形式

is it a bus改为复数形式 It,s a new toy bus.改为复数形式. This is a bus.改为复数形式的句子 It is a dictionary改为复数形式 It is a watch.(改为复数形式) It is a photo.(改为复数形式) is it a desk?（改为复数形式） it is a box.(改为复数形式）帮忙啊! it is a cat 怎样改为复数形式? Is this a bus （改为复数句 This is a bus.改为复数. 英语句的复数形式What is this?It is a desk.改为复数形式 Is that a bus?复数形式 that is an orage bus 改为复数形式 --What is this?--It is a bus.改为复数是什么?0.0 What is it 改为复数形式 Here it is.改为复数形式 It is my pen.(改为复数形式)