问题补充：
Well, if you take this medicine , you’ll be better soon.
A. third time one day
B. three times a day
C. third time a day
D. three times every day
答案：
A. third time one day
(答案→)B. three times a day
C. third time a day
D. three times every day
解析：句意：嗯，如果你一天三次吃这个药，很快你就会好的。固定短语，数词+times a day 一天几次，故选B。
