问题
Chinese President visited AIDS patients in Beijing’s Ditan Hospital on the World AIDS Day, ________ was on Dec.1,2010, and ______ theme was to give all the AIDS patients medical care.
A:which; whose
B:which; of which
C:when; whose
D:on which, its;
B:which; of which
C:when; whose
D:on which, its;
正确答案是：
同类题型
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