Last night ,Lucy didn't return back my bike 哪错了

问题描述:

Last night ,Lucy didn't return back my bike 哪错了

我想你这儿的意思应该是归还,那就不用加back啦~
还有,return后可以加to表示归还,
所以,正确的句子是:
Last night,Lucy didn‘t return my bike.
腼腆萌看看对不对啊?