**Unit 5What color is it?Listen and sayBackLet’s singrainbowred red, it's red.colorI have a ______, it's green.ruler, pen, car, bear, book, ball, robot, bag...S1: What color is it?S2: It's _________.red, orange, yellow, green, blue...I like blue./ I don't like blue.Listen and sayBackIs it blue?What color is it?