单选题 It is no good ______ to memorize some grammatical rules or vocabulary. You need to practice what you have learned.
  • A. tried
  • B. trying
  • C. to try
  • D. try
【正确答案】 B
【答案解析】[解析] 这道题考查固定结构“it is no good/use等+doing sth.”，it是形式主语，该结构表示“干……是没有益处/用处的”。