题目内容
The number of books in the bookshop is about 10,000 and a number of them
about science.
A. is B. was C. are D. Were
C 【解析】 考查动词的用法。依据第一句中的谓语动词“is(一般现在时)”可推断出第二句的时态也应是一般现在时,故保留A和C项;由短语“a number of...”的谓语动词是复数,故选C。
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