The letter was being typed by the typist when I came in. 5.I am sure that his work will be completed by the end of the year. 6. Some new magazines have just been brought. Would you like to look them through? 7. The exercises are usually corrected by the teacher at home. 8. I can't show you my written work as it wasn`t returned by my teacher. 9. Many new houses have been built in our city lately. 10. We think that the ship will be chartered next week.  11. They will pay the money as soon as the goods are delivered. 12. The goods hasn`t been examined yet at the customhouse. When will they be examined? 13. The problem which is being discussed now at the conference is very important. 14. This bridge was built in 1945. 15. The contract will be typed before the director comes to the office. 16. Important scientific work is carried on by that institute. 17. All the students will have been examined by ten o’clock. 18. The documents haven`t been signed yet by the manager. They are being checked now. 19. She has been frightened by a loud noise in the street.