【简答题】The word “expertise” in line 3 could be best replaced by
【简答题】习题2第4题,使用扩展递推技术求解下列递推关系式。具体内容见教材。
【单选题】According to the survey, the word 'positive' Line4, Para5 can be replaced by the word '______'.
【简答题】The word 'expertise' in line 3 could be best replaced by
【单选题】Mr. Green ______ his car to work every day. [ ]