文档介绍：Sing a song : Make a circle Make a circle, big, big , big Small, small, small, Big, big, big Make a circle, big, big , big Hello, hello , circle! What ’s this? circle What ’s this? triangle What ’s this? square What ’s this? rectangle How to make a car ? It’s a circle. It’s a triangle. It’s a rectangle. It’s a square.