题目内容
There is ________ European wolf and ________ merican snake in the zoo.
[ ]
A.
a; a
B.
an; an
C.
an; a
D.
a; an
答案:D
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题目内容
There is ________ European wolf and ________ merican snake in the zoo.
a; a
an; an
an; a
a; an