单选题 Delta Service, a big shipping company, announced last night that it would ______ its staff by 20 percent.
  • A. reduced
  • B. reduce
  • C. reducing
  • D. be reduced
【正确答案】 B
【答案解析】[解析] 语法：单词形态 1．助动词would后要接动词原形，A、C选项排除。 2．空格后接宾语its staff，D选项be reduced为被动语态，因而排除。B选项为正确选项。