One third of the houses ----destroyed when a terrible earthquake struck the city last night.
A. was B. were C. has been D. have been
选B： 是复数，用Were。 因为后面有时间状语从句，C，D被淘汰。 译文：昨晚在骇人的地震袭击这座城市时，有三分之一的房屋被破坏了。
选B. 分数的单复数取决于后面的名词，如为可数名词则谓语要用复数，不可数则须用单数。如：One third of the glass was cut off. 另外这是一个过去发生的事情，c,d首先被排除，然后根据以上的原则排除A.
One third of the houses -B. were ---destroyed when a terrible earthquake struck the city last night. A. was C. has been D. have been one third of 接 可数名词, 谓用复数.如果 接不可数名词, 用单数.
答案选：A.叙述过去的灾难，过去时。有分数用单数形式。 译文：昨晚可怕的地震袭击了这座城市，三分之一的房屋被毁坏。
答：当分数短语作主语时，谓语的单复数形式由后面所跟的名词的形式来决定。 例如: One third of the students are Chinese. ...详情>>
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