【題目】This is ____ eraser. _____ eraser is in the box.

A. an； An B. an； The C. a； A D. a； The

【答案】B

【解析】

試題分析：句意：這是一塊橡皮，橡皮在盒子里。eraser ['rez]以元音音素開頭，前面用不定冠詞an；第二次出現(xiàn)時應該用定冠詞the.故答案為B。

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