Activity: as part of our science project9 amarrived at the zoo half an hour later 所以时间是： 9：30amThe elephant show lasted 45 minutes. Then we had a 15-minute break for a drink.所以喝饮料休息时间是：10:45am2pmLunch with the orangutansIt took half an hour to get back to school. 所以回到学校的时间是： 2:30pm...
