The better you have of words, the better chance you have of saying exactly what you mean.
A. contribution
B. mand
C. master
D. power
网友回答
A. contribution
(答案→)B. mand
C. master
D. power
解析：
试题分析:考查名词辨析。A贡献；B掌握，命令；C主人；D权力。固定短语have a good mand of “精通，掌握”，所以B选项正确。句意：你对词汇掌握的越多，你就越可能准确表达清你的意思。