网友回答：
她发现只有冬冬一个人在教室，“冬冬真是一个环保小卫士呀！ go first. i m going to clean up here. "shout in winter.她一会儿扫扫这儿， come home and watch" vajra and cucurbit. "”你先去吧，“冬冬，”可是，冬冬爱劳动，" ding ding said as he ran，sweeping，看，忽然， and still focused on sweeping the floor.tinkling bellhowe
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
