问题补充:
—Are you free after school?
—Sorry: I’ve planned to treat a friend of mine to dinner for his help.
A. in terms
B. in honor
C. in turn
D. in return
答案:
A. in terms
B. in honor
C. in turn
(答案→)D. in return
解析:本题回答语的含义是我计划为我的朋友安排一顿晚饭,作为他对我提供帮助的回报,in return表示作为回报的意思,符合本题的含义,故本题选D。