Test 14. past simple or present 16.she (not go) to the library three days ago 17.how long you (know) bill? 18.olga always (want) to visit great britain 19.you (hear) from jack recently? 20.mark twain (live) in the state of missouri

16. She didn't go to the library three days ago.
17. How long have you known Bill?
18. Olga has always wanted to visit Great Britain.
19. Have you heard from Jack recently?
20. Mark Twain lived in the state of Missorui.