Lesson 15These are pigs.This is a cat.这是一只猫这是一只猫That is a tiger.那是一只老虎。那是一只老虎。These are pigs.这些是猪。这些是猪。Those are elephants.那些是大象。那些是大象。What are those?那些是什么?那些是什么?They are birds.它们是小鸟。它们是小鸟。Are these socks or shoes?这些是短袜还是鞋子?这些是短袜还是鞋子?They are shoes.这些是鞋子。这些是鞋子。Are these forks or spoons?They are forks.Are these oranges or apples?They are oranges.Are these buses or trains?They are buses.Homework1.学习新单词。学习新单词。2.使用本课重点句型造句。使用本课重点句型造句。Thank you!