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【题目】—____ do you ____ the medicine ? —Three times a day .

A. How often ; eatB. How many times ; takeC. How often ; takeD. How long ; box

【答案】C

【解析】

句意:--你多久吃一次药?--一天三次。

本题考查固定短语及用法。根据回答可知是对频度的提问用how oftenB how many times 多少次;D how long 多长时间,排除BD选项。短语:take medicine 吃药,排除A选项,故选C

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