◎ 题干
Believe it or not, the number of indifferent (漠不关心的) passers-by ______ eighteen, and a large number of people ______ discussing the incident on the net.
[     ]
A. add up to; is  
B. add to; is
C. adds up to; are
D. adds to; are
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Believe it or not, the number of indifferent (漠不关心的) passers-by ______ eighteen, and a large number of people ______ discussing the incident on the net.[ ]…”主要考查了你对  【动词短语】【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。