1. I didn’t recognise Mrs. Johnson. She ...........(change) a lot. 2. He knew that he............(make) a serious mistake. 3. I ........(feel) a little better after I ...........(take) the medicine. 4. It was raining hard, but by the time class..........(be) over, the rain.........(stop). 5. I...........(see, never) any of Picasso’s paintings before I .........(visit) the art museum. 6. ..........the meeting ...........(start, already) when the boss .............(arrive)? 7. When I got home, I.......... (find) that someone ...........(break into) my flat and ...........(steal) my fur coat. 8. When they .............(finish) their work, they went..................... (go) home. 9. I took my family to Paris last year. I................. (be) there as a student, so I....................... (know) my way around. 10. It was my first time in an aeroplane. I was very nervous as the plane.................. (take off) because I ...............(not fly) before.