问题
选择题
You made the same mistake for _____ second time, dropping _____ "n" in the word. [ ]
A. a; the
B. the; an
C. a; an
D. a; a
答案
答案：C
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You made the same mistake for _____ second time, dropping _____ "n" in the word. [ ]
A. a; the
B. the; an
C. a; an
D. a; a
答案：C