We’ll arrive in_______ European country in half ___________ hour


  1. A.
    a; an
  2. B.
    an; an
  3. C.
    a; a
  4. D.
    an; a
A
解析：
考察冠詞,句意:我們在半個小時內(nèi)就會到達歐洲的一個國家.可知前文泛指任何一個歐洲國家,下文泛指任何一個小時.hour詞首音素為元音,故不定冠詞要用an.選A
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