题目内容

【题目】The doctor told me to take ________ medicine three times ______ day.

A. the; 不填B. the; aC. the; anD. 不填; the

【答案】B

【解析】

句意：医生告诉我一天吃三次药。根据不定冠词a/an一个，通常用于泛指，a用于辅音因素开头的单词前，an用于元音因素开头的单词前，定冠词the这个、那个，通常用于特指；根据medicine这里是特指，一天三次，表示泛指；故选B

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