题目内容
---Helen, ______ apple on the table is for you. Have it before you go to bed.
---Thank you, Mum. We all know ______ apple a day keeps the doctor away.
A. an; an B. an; the C. the; an D. the; a
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题目内容
---Helen, ______ apple on the table is for you. Have it before you go to bed.
---Thank you, Mum. We all know ______ apple a day keeps the doctor away.
A. an; an B. an; the C. the; an D. the; a