◎ 题干
My father has worked there ___________.
A.since five yearB.since 1990 C.for five years agoD.five years
◎ 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“My father has worked there ___________.A.since five yearB.since 1990 C.for five years agoD.five years…”主要考查了你对  【句子成分,句子结构】  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。