◎ 题干
---What’s wrong with you, Mr. Keller?
--- I’ve had a very bad headache for two days. At first, I ______ I caught a cold, but the medicine ______.
A.thought, hasn’t workedB.had thought, didn’t work
C.thought, hadn’t workedD.have thought, hasn’t worked
◎ 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“---What’s wrong with you, Mr. Keller? --- I’ve had a very bad headache for two days. At first, I ______ I caught a cold, but the medicine ______.A.thought,…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  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。