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