【题目】Whenever you ________ a present, you should think about it from the receiver’s point of view.
A. bought B. have bought C. will buy D. buy
在线课程【答案】A
【解析】
试题分析：talk over讨论，根据分析，可知act as a listening ear for fellow student to do sth中的to do sth是作student的宾语补足语。句意：有时我充当一个倾听者来倾听我的同学们讨论他们的烦心事。故选A