Don’t forget the book to the library when you finish it.A. to give back ; to readB. to r

Don’t forget the book to the library when you finish it.
A. to give back ; to read
B. to return ; reading
C. returning ; reading
D. returning ; to read

A. to give back ; to read(答案→)B. to return ; readingC. returning ; readingD. returning ; to read解析：考查动词固定搭配。Forget to do sth忘记要做某事；forget doing sth忘记做了某事；finish doing sth做完某事；句意：当你读完这本书的时候，不要忘记把这本书还给图书馆。根据句意是指“忘记要做某事”“forget to do sth”；故B正确。

我明天再问问老师，叫他解释下这个问题