9. The witnesses ______ by the police just now gave very different descriptions of the fight.(question)

　　10. The airport _______ next year will help promote tourism in this area. (complete)

　　11. When I was little, my mother used to sit by my bed, ______ me stories till I fell asleep. (tell)

　　12. Clearly and thoughtfully______, the book inspires confidence in students who wish to seek their own answers. (write)

　　13. To learn English well, we should find opportunities to hear English _____ as much as we can. (speak)

　　14. They use computers to keep the traffic        smoothly.(run)

　　15. Can those ______ at the back of the classroom hear me? (seat)

　　16. The children went home happily, their lessons ______ for the day. (finish)

　　17. _______ and happy, Tony stood up and accepted the prize.(surprise)

　　18. " Things ______ never come again!" I couldn't help talking to myself.(lose)

　　19. ________ in a uniform, he looks more like a cook than a doctor. (dress)

　　20. The flowers _______ sweet in the botanic garden attract the visitors to the beauty of nature.(smell)

　　The keys:

　　1. Having spent52. blocked   3. throwing      4. used       5. asked

　　6. standing     7. worried    8. Not knowing  9. questioned  10. completed

　　11. telling      12. written   13. spoken      14. running    15. seated

　　16. finished    17. Surprised  18. lost        19. Dressed        20. smelling