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 E.finish

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 E.finish

选E,
主句将来时,从句一般现在时

选最后一项
主句用将来时从句用一般现在时

E 主将从现