______conscious of my moral obligations as a citizen.[2005]

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问题 ______conscious of my moral obligations as a citizen.[2005]

选项 A、I was and always will be
B、I have to be and always will be
C、I had been and always will be
D、I have been and always will be

答案D

解析 根据句意,“我一直铭记”表示时间一直到现在为止,应该用现在完成时;“将继续信守”表示将来,要用将来时。因此选项D为正确答案。
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