◎ 题干
—Can you give me some advice on what I said just now?
—Sorry, my mind ________.
[     ]
A. has wondered  
B. had wondered
C. is wondering  
D. was wondering
◎ 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“—Can you give me some advice on what I said just now?—Sorry, my mind ________.[ ]A. has wonderedB. had wonderedC. is wonderingD. was wondering…”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。