.With that trust to serve all Americans and I will do my best to fulfill that duty every day as your President.
A. ing a duty
B. which es a duty
C. es a duty
D. a duty came
网友回答
A. ing a duty
B. which es a duty
(答案→)C. es a duty
D. a duty came
解析：可联系答.案.网客服索取。