用struggle/fight/ battle 完成句子。
1. I've been____this article all afternoon. 
    整个下午我都在努力地去弄懂这篇文章.
2. The people of this country will continue ___ for independence.
     这个国家的人们将继续为独立而斗争.
3.  He and his wife are always____trifling matters.
     他与妻子老是为鸡毛蒜皮之事而争吵.
4. He got drunk and____with Boss.
    他喝醉了和老板打了一仗.
5.  His younger brother died in____ during World War Ⅱ.
     他小弟弟死于二战.