15. Do as you _______________(tell). Don’t argue.

14. What do you think ____________(worry) him so much yesterday?

13. He told me that he _____________(buy) me a gift if I passed the test.

12. We _____________(read) the text when the lights ___________( go ) out.

11. I didn’t go to the Great Wall because I _____________ (be) there twice.

10. She __________ (fall) ill last night, and she_____________(take) to the hospital at once.

9. Great changes ______________(take) place in my hometown in the past ten years.

8. Millie _________(write) a composition while Simon________(clean) the classroom.

7. I found the boy ______________ (play) the violin when I went into the room.

6. The doctors are saving a______________(die) old man now.