单选题 (Fighting) broke (out) (between) the Northern (states) and Southern states.
  • A. Fighting
  • B. out
  • C. between
  • D. states


【正确答案】 A
【答案解析】名词单复数错误，应改为A fighting。单数可数名词前要有冠词修饰。因第一次提到该战争，所以用不定冠词。