His knowledge of language and international business______him in his work.

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问题 His knowledge of language and international business______him in his work.

选项 A、help
B、helps
C、was helpful
D、have helped

答案B

解析 句子的主语为knowledge,为不可数名词,所以谓语动词应用单数形式。根据句意可知,此处是在陈述客观事实,所以应用一般现在时。故选B。
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本试题收录于: 英语题库普高专升本分类
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