Since I (finish) ______ reading the book, I can return it to the library.
                    举一反三
- Please return the book to the library as soon as you () reading it. A: finishes B: will finish C: finish D: finished
 - I'll return the book to the library as soon as I_____it . A: will finish B: am going to finish C: finished D: have finished
 - I will let you have the book if I _________________ (finish) reading it thisevening.
 - I am afraid I won’t ( __ ) finish reading the book in two days. A: can B: could C: be able to D: may
 - 10. I forgot to return my ____. A. library book B. Library book C. library-book
 
