问题补充：
Though having lived abroad for years, many Chinese stillthe traditional customs.
A. perform
B. pssess
C. observe
D. support
答案：
A. perform
B. pssess
(答案→)C. observe
D. support
解析：
这题考查动词辨析：perform表演，表现，possess拥有，observe观察，庆祝，遵守，support支持，句意是：虽然在国外生活多年，很多中国人还遵守传统的中国风俗。选C。
