My name is Echo.,Red,red,its red.,White,white,its white.,Yellow,yellow,its yellow.,Green,green,its green.,Blue,blue,its blue.,Black,black,its black.,Its green.,Its red.,Its black.,Its blue.,Its black,Its yellow.,Its white,Its red.,Module4Unit2 Its a red dog！,a yellow dog,a green cat,a blue bird,a black dog,Its red.,Its a red dog.,Oh,a dog.,yellow and black,What colour is it？Its,Its a red and black dog.,Its a green and yellow cat.,Its a white and black dog.,Homework 作业：背诵Module4Unit2 第二部分课文,
