" by the way,_do___ you __know__ who built our library?"Lisa didn't (KNOW)
"I _will show__ you,"the librarian said(SHOW)
"Yes,thank you. I _have found__ all the books from my reading list,"Lisa said,"but I can't find any information about architecture".(FIND)
"Can I help you?"a young librarian __came_ up to Lisa(COME)