Complete the following exercise with present perfect or simple past tense1. i ______(not/see) him for three years. i wonder where he is.2. _____ (you/lock) the door before you left the house?3. i _____ (read) his books when i was at school.i ____(enjoy) them very much.4. i can't go out because i _____ (not/finish) my work.5. shakespeare _______ (write) a lot of plays.6. our team _______ (win) three games so far this month.7. fred and wilma ______ (move) to germany after they graduated.8. they ______ (not/fix) the elevator yet, we have to use the stairs.9. i couldn't go to school yesterday as i _____(be) sick10. mr. shawn_____(live) in brazil from 2000 to 2007