the teacher was glad to take the student's advise to improve
the teacher was glad to take the student's advise to improve his teaching,which,---,made the students satisfied. A in turn B for sure C in return D on purpose
选A. The teacher was glad to take the student's advise to improve his teaching,which in turn made the students satisfied. 老师很乐意听取同学们的意见来改善他的教学,反过来,他的教学也让学生们很满意. 解析:in turn 依次;反过来,for sure 无疑;准保 ,in return.作为报答,on purpose 故意地,根据题意选A. in return 没有反过来的意思. 祝开心~!