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.,Module4Unit2Its 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,
