GRE Text Completion: Fundamental 24 Sets-GRE填空基础24套 - 4C0JZKBE63B0192N!

The two sisters selflessly dedicated their lives to the nursing profession: their (i)____________ made them (ii)____________, ones whose ways are worthy of imitation. A. aptitude B. eccentrics C. erudition D. exemplars E. altruism F. enigmas