The doctor advises me to eat——apple a da

问题描述:

The doctor advises me to eat——apple a da
The doctor advises me to eat——apple a day.

The doctor advises me to eat——apple a day.
答案:an
解析:apple的第一字母是以元音音素开头,用an
中文:医生建议我要每天吃一个苹果.