问题
选择题
Her friend did everything in his ________ to help with her business.
A．energy
B．power
C．strength
D．force
答案
答案：B
考查名词：A. energy精力B. power权力C. strength力气D. force武力，句意：她的朋友做了权力范围之内的一切来帮助她的生意。选B。
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