填空题 The three most important issues (of concern) to citizens today are (prison reform), (abusing children), and toxic (waste).
  • A. of concern
  • B. prison reform
  • C. abusing children
  • D. waste


  • 1、
【正确答案】 1、C应改为child abuse。    
【答案解析】[解析] 表语中都是名词形式，因此应为child abuse。