I have yet to find the answer.= I have not as yet found the

I have yet to find the answer.= I have not as yet found the Have you found your mother?Not yet By the time I got to here Have you __ (return) the book to the library yet?Not yet.I _ Have you ________(return)the book to the libeary?Not yet,I _ Have you finished（ ）the book?Not yet.I‘ll try （ ）it to you b have you seen the film ? Not yet.I will go to see it tomorro Have you made the ___ to study abroad?Not yet.I wonder wheth I have not found my book yet.I'm not sure___I could have don yet i have found that sometimes the words that my father tol I have not found my book yet; in fact ,I am not sure__I coul i have not had any change yet -Have you finished writing the novel?-Not yet.I'm afraid I n