Many Chinese have lived abroad for years, but they still the traditional customs.
A. observe
B. behave
C. perform
D. struggle
网友回答
(答案→)A. observe
B. behave
C. perform
D. struggle
解析：本题考查动词辨析。句意：许多中国人尽管在国外居住了许多年，但仍奉行传统的习俗。perform执行，表演；behave行为；observe遵守，奉行(习俗等)；struggle奋斗，斗争。由句意可知C项正确。