Though having lived abroad for years many Chinese stillthe traditional customs.A. observe

问题补充：

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

A. observe

B. possess

C. perform

D. support

答案：

(答案→)A. observe

B. possess

C. perform

D. support

解析：A观察，遵守，服从；B拥有，占有；C表现，表演； D支持；结合句意尽管生活在国外多年，很多中国人仍然遵守中国的传统风俗。可知A正确。