问题描述：
Three-fourths of building _____ destroyde in an eathquake.(英语）
Three-fourths of building _____ destroyde in an eathquake.
A.were B.is C.was D.has been
Three-fourths of building _____ destroyde in an eathquake.
A.were B.is C.was D.has been
问题解答：
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