【题目】He has given me so much help that I really want to do something for him ______.
A. in return B. by turns
C. in turn D. in total
在线课程【答案】A
【解析】
试题分析：考查动词短语。句意：他给了我好多帮助，我真的想做点什么回报他，A. in return回报；B. by turns轮流；C. in turn 轮到；D. in total总共；根据词义，选A项。