问题
选择题
The doctor gave me some medicine____my cough and told me to take it _____a day.
A．of; twice
B．for;three
C．for;twice
D．to;twice
答案
答案：C
题目分析：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。