题目内容
While peace-keeping is ___ UN’s main duty, it also has programmes for ____ education, better health and business in more than 170 countries.
A.the; an B.不填; the C.the; 不填 D.不填; an
C
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题目内容
While peace-keeping is ___ UN’s main duty, it also has programmes for ____ education, better health and business in more than 170 countries.
A.the; an B.不填; the C.the; 不填 D.不填; an
C