题目内容

The doctor gave me some medicine____my cough and told me to take it _____a day.
A.of; twiceB.for;threeC.for;twiceD.to;twice
C

试题分析:句意: 医生给我一些治疗咳嗽的药并且告诉我一天吃两次。For my cough,对我的咳嗽,用for.两次是twice,而三次是three times.故选C。
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