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

问题补充：

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

A. observe

B. possess

C. perform

D. support

答案：

(答案→)A. observe

B. possess

C. perform

D. support

解析：考查动词：A. observe观察，遵守，庆祝B. possess拥有C. perform表现D. support支持，句意：虽然在国外生活多年，很多中国人仍然遵守中国的传统风俗。选A。