问题
Doctors Without Boarders, ________ international organization, received ________ Nobel Prize for Peace in 1999 for its outstanding work .
A:an, /
B:the, the
C:/, a
D:an, the
B:the, the
C:/, a
D:an, the
正确答案是：
同类题型
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It is the ability you have matters, not where you graduate or what you look like.
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