— Who is girl reading under the tree?—She is Liu Mei. She wrote unusual book about the sch

— Who is girl reading under the tree?
—She is Liu Mei. She wrote unusual book about the school life.
A. a, the
B. the, a
C. the, an
D. a, an

A. a, theB. the, a(答案→)C. the, anD. a, an解析：不定冠词表示任何一个,定冠词特指某一人或物.根据题意,上文中女孩是指树下的女孩,为特指.下文中一本书是泛指, unusual开头为元音音素,所以应该用an.选C.

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