【正文】
Thank you . Lesson 30 Keep the Candle Burning! By Zhang Shujie, from Middle School , Dongguang Nothing is impossible for a willing heart. You can do it!!! 1. use up 用盡,用光 use up the oxygen 用光氧氣 It has used up all the oxygen in the air. 它已用光了空氣中所有的氧