单选题 (No matter how) hard he is working, he will (insist) (on) the principle as (hardly) as he can.
  • A. No matter how
  • B. insist
  • C. on
  • D. hardly


【正确答案】 D
【答案解析】[分析] hard本身可以用作副词。hardly表示“几乎不”。改“hardly”为“hard”。