问题
选择题
An excellent teacher is believed to be one who cares about his students but asks for nothing __________.
A．in turn
B．in short
C．in return
D．in general
答案
答案：C
题目分析：句意：一位优秀的教师被认为应该喜欢他的学生，却不求任何回报。in turn轮流；in short简而言之；in return作为报答；in general一般而言，选C。