问题
选择题
There is ______ “u” and ______ “s” in the word “bus”. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案
答案：B
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There is ______ “u” and ______ “s” in the word “bus”. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案：B