三年级上册英语U4 PartA Let\'s learn! 郑城镇南杨庄完小 TeaffeLet\'s sing a song! Let\'s learn! catCat, cat! It\'s a cat. dogDog, dog! It\'s a dog. pigPig, pig! It\'s a pig. duckDuck, duck! It\'s a duck. bearBear, bear! It\'s a bear.Let\'s listen! Let\'s practice! Cat, cat! It\'s a cat.__,__! It\'s a __.Let\'s chant! Let\'s draw and say! It\'s a dog. It\'s a ____.Let\'s practice!pigdogduckcatbearHomework1. Read the words to your friends. 2. Introduce your zoo to your parents. Goodbye!