This is a yellow bus ,and that isalso a yrllowbus改写成复数

This is a yellow bus ,and that isalso a yrllowbus改写成复数 it is a libriary 改复数句,that kite is yellow对yellow 提问,that mou This is a bottle of milk.怎样改写成复数? 把下列句子变为复数.This is a watermelon.It is yellow shirt.That's my this is a bus.【变为复数句】 Is this a bus （改为复数句 This is a bus.改为复数. This is a bus. That is a sheep.的复数形式 Is that a bus?复数形式 This is a toy bus.改复数 These are some watches on the desk.这个该 This is a new bus .改复数 ______ ______ new ______. 连词成句（is,too,that,pencil,my,and) (is,case,yellow,this,a,penci