We were ________ that everything possible was being done.
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All the people have to ________ allegiance（忠诚） to the flag.
The law __________ that all men are created equal.
His translation manages to be ________ to the spirit of the original.
U／C矩阵的主要功能是（ ）
A. 定义业务过程
B. 识别数据类
C. 划分子系统
D. 识别业务/数据类
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