填空题 His wife went to work, as they were unable to get along without (addition) ______ income.
  • 1、
【正确答案】 1、additional    
【答案解析】[考点] 词性转换 [解析] 此处空格后为名词，可见此处需要一个形容词来修饰名词，所以要用addition的形容词形式additional，意为“额外的”。