题目

My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with. A. a, a        B. a, the       C. the, a          D. the, the   答案： A 句中第二次提到girl时并不是特指的，此句实为一省略句，补充完整是：My friend Mary is a beautiful girl and she is a girl everyone likes to work with.  

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