Though having lived abroad for years many Chinese still the traditional customs.A. perfor

问题补充：

Though having lived abroad for years，many Chinese still the traditional customs.

A. perform

B. observe

C. possess

D. support

答案：

A. perform

(答案→)B. observe

C. possess

D. support

解析：本题考查动词辨析。句意为：许多中国人尽管在国外居住了许多年，仍奉行传统的习俗。perform执行，表演；possess拥有；observe遵守，奉行 (习俗等)；support支持。由句意可知B项正确。