问题
This is _____ book. And it is ____ English book.
A:a, a
B:an, an
C:a, an
D:an, a
B:an, an
C:a, an
D:an, a
正确答案是：
同类题型
Yesterday evening, I _____ along the street when I suddenly met my maths teacher.
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She spent four weeks which she could afford _______ around the country, promoting her new album.
My home is 500 meters _____ school. It’s not far _____ here.[ ]