问题
选择题
—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
答案
答案：B
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—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：B