Exercise 1: Passive and Active voice:
14. He can’t repair my bike.
....................................................................................................
15. Mary has operated Tom since 10 o’clock.
...................................................................................................
16. Mr. Smith has taught us French for 2 years.
.......................................................................................................
17. They didn’t look after the children properly.
....................................................................................................
18. Nobody swept this street last week.
.....................................................................................................
19. How many lessons are you going to learn next month?
............................................................................................................
20. You need to do this work.
........................................................................................................................