三年级上册its-a-black-dog

Module4Unit2It’sadogblackGood!Good!Good!Good!Good!redblueblackyellowgreenIt’saablackdog.Now,it’sadog.blueIt’sacat.redNow,it’sacat.greenyellowIt’sacap.Now，it'saredcap.it'sabluedogit'sareddogit'sagreendogit'sayellowcapit'saredcapit'sablackdogit'sayellowcapGood!It'sablackcapGood!It'sablackcapGood!It'sablackcapGood!