问题
选择题
There is _____ "u" and _____ "n" in the word "run". [ ]
A. a; a
B. a; an
C. an; an
D. an; a
答案
答案：B
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There is _____ "u" and _____ "n" in the word "run". [ ]
A. a; a
B. a; an
C. an; an
D. an; a
答案：B