One afternoon, Tao Jingtao and I were blowing balloons. I puffed up my cheeks and blew hard, and the balloon grew bigger and bigger. Seeing that Tao Jingtao's balloon is also big. I blew harder, and so did she. Our balloons are getting bigger and bigger. With a bang, Tao Jingtao's balloon burst. I was so happy that I opened my mouth and all the air in the balloon came out. My balloon became a flat stomach. We both kept laughing.