單項選擇—What'syourfavoritefruit? —Apples.Youknow,

問題詳情：

單項選擇

—What's your favorite fruit?

  —Apples. You know, _______ apple a day keeps the doctor away.

  A. a                 B. an                        C. the                   D.不填

【回答】

B

知識點：冠詞

題型：選擇題