填空题 Household pets (infecting) with fleas should (be bathed) weekly (with) a (specially prepared) flee soap. A. infection B. be bathed C. with D. specially prepared
  • 1、
【正确答案】 1、A改为infected。    
【答案解析】家庭宠物被感染跳蚤，用过去分词表被动。