◎ 题干
—The bell rang for a long time. Why not answer it?
—I ______ taking a bath on the second floor.

[     ]

A. is
B. was
C. were
D. are
◎ 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“—The bell rang for a long time. Why not answer it?—I ______ taking a bath on the second floor. [ ]A. is B. was C. were D. are …”主要考查了你对  【一般过去时】【主谓一致】  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。