问题补充:
With your brother’s help, I’ve made great progress in English and I really want to do something for him .
A. in turn
B. by turns
C. in return
D. in answer
答案:
A. in turn
B. by turns
(答案→)C. in return
D. in answer
解析:考查短语辨析。in turn 反过来,by turns 一次,轮流,in return 作为回报,in answer 作为回答,句意:在你哥哥的帮助下,我在英语方面取得了很大进步,我真的想为他做一些事情作为回报。所以选C。