- By whom has that novel been written?
- He will be seen off by his family at the airport
- Our car will have to be repaired soon
- Passengers' tickets shouldn't be thrown away
- This work could be done more easier by a machine
- The meeting cannot be held in this room
- We ought to be told how much they expected us
I/
1. C
2. A
3. C
4. b
5. A
6. D
7. D
8. A
9. C
10. C
11. D
12. D
13. A
14. D
15. C
16. C
17. C
18. A
19. B
20. D
21. A
22. A
23. C
24$.$ B.