The number of the workers here ___ 200. Half of them ____under 30 years old.A．ar
题型：不详难度：来源：
The number of the workers here ___ 200. Half of them ____under 30 years old.| A．are, are | B．is, are | C．are, is | D．is, is |
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答案
| B |
解析
试题分析：句意为：这里工人的数量是200人，一半在30岁以下。the number of+名词复数，表示“---的数量”，谓语动词应用第三人称单数形式。结合语境，“ half of them”指的是一半的工人，表示多数。根据主谓一致原则可知应选B。 |
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