【題目】Christopher Columbus was ______explorer from ______European country.

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

【答案】C

【解析】句意:克里斯托弗哥倫布是一個(gè)來自歐洲國(guó)家的探險(xiǎn)家。aan都是不定冠詞,修飾可數(shù)名詞單數(shù)形式,表示泛指一個(gè)…,an用于元音發(fā)音開頭的單詞前。根據(jù)句意可知,這兩個(gè)空都是表示泛指的,第一個(gè)空后explorer是元音/e/開頭的,故用an修飾;第二個(gè)空后的European的第一個(gè)發(fā)音是/j/,是輔音,故用a修飾。選C。

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