I.词语辨析
1、in turn / in return
in turn：轮流着、一个挨一个地；
e.g. Please tell your idea on the subject in turn.
He asked each of us in turn what we had been doing.
They went into the room in turn to be examined.
反过来（对别人做同样的事）
e.g. Theory comes from practice which in turn serves practice.
I told her the secret about Sue and she in turn told Sue about it.
in return：作为回报
e.g. I wish I could do sth. for you in return.
She helped me with my poor English and I in return treated her to Kentucky fried chicken.
in return for：以答谢
