外研社新标准三起点小学英语第一册Module4Unit2its a black dog

Module4Unit2It’sadog.blackredblueblackyellowgreenIt’sablackdog.Now,it’sadog.blueIt’sacat.redNow,it’sacat.greenyellowIt’sacap.Nowit'saredcapNowit'sabluedogit'saredcat.Nowit'sagreencat.it'sayellowcapNowit'saredcap.it'sablackdogit'sayellowcapIt'sablackcapIt'saredcapIt'sabluecap