问题
选择题
— What's your favourite fruit?
— Apples. You know, ______ apple a day keeps the doctor away. [ ]
A. a
B. an
C. the
D.不填
答案
答案：B
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— What's your favourite fruit?
— Apples. You know, ______ apple a day keeps the doctor away. [ ]
A. a
B. an
C. the
D.不填
答案：B