It_____ in this new hall______ was just set up last month __we held an important meeting yesterday.A.is;which;that B.was;which;what C.is;that;which; D.was;which;that
问题描述：
It_____ in this new hall______ was just set up last month __we held an important meeting yesterday.
A.is;which;that B.was;which;what C.is;that;which; D.was;which;that
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