Tom has been wrestling with these technical problems since he________the department last year. A.took over B.took out C.took on D.took up 答案:A 考查短语动词辨析。take over接收,接管。句意为:自从去年接管这个部门后,汤姆一直在全力解决这些技术问题。take out取出;take on呈现;take up占用。 —You’ve done a nice job! —Thanks. I always do everything ______.A. care B. careful C. carefully