2. 外语
  3. ______conscious of my moral obligations as a citizen.

______conscious of my moral obligations as a citizen.

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问题 ______conscious of my moral obligations as a citizen.
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 D项表示从过去到现在直至将来的时间段，符合句意要求。故本题选D。
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