His knowledge of language and international business______him a lot in his work.

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

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

答案B

解析 本句的主语中心词为knowledge,为不可数名词,其后动词应用单数形式,且时态为一般现在时。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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