Theback waves of the Yangtze River push forward, and it is difficult to keep black hair to white head.44、宁可今天抢一秒，不可明日等一分。
10.昨晚的电视节目使我姐姐想起了两年前在山村支教的经历。The TV program last night___my sister of her___as a volunteer teacher in the mountain village two years ago.
