◎ 题干
—Where were you just now?  
—I _____ to a student in my office when you called.    
[     ]
A. talk
B. talked
C. is talking
D. was talking
◎ 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“—Where were you just now?—I _____ to a student in my office when you called.[ ]A. talk B. talkedC. is talking D. was talking…”主要考查了你对  【过去进行时】  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。