问题
选择题
There is "o", "u" and "r" in the word "our".[ ]
A.a,a,an
B.an,an,an
C.an,an,a
D.an,a,an
答案
答案：D
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There is "o", "u" and "r" in the word "our".[ ]
A.a,a,an
B.an,an,an
C.an,an,a
D.an,a,an
答案：D