摘要:( ) My mom is teacher. She’s English teacher. A. a; an B. a; a C. an; a D. an; an 分析:A 本题考查a, an的用法.a用于辅音音素前, an用于元音音素前.teacher是以辅音音素开头, English是以元音音素开头, 故选A.

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