题目内容
-Excuse me, is this ________ egg?
-No, it's ________ cake.
[ ]
A.an, a
B.a, a
C.a, an
D.an, an
答案:A
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题目内容
-Excuse me, is this ________ egg?
-No, it's ________ cake.
A.an, a
B.a, a
C.a, an
D.an, an