III. Change these sentences to the passive voice :
28. Mr. Tam is painting his pictures with his patience.
29. They are planning to see a new film called “Ghost of Georgia”.
30. They are broadcasting the World Cup soccer games all over the world.
31. Mary is cutting the cupcake with a sharp knife.
32. Bad weather has delayed flight 202 from Miami.
33. They have celebrated the Teacher’s Day largely since 1982.
34. Science and Technology have completely changed human’s life.
35. People have built this building of bricks, stones and cement.
36. Nga has typed the report about polluted environment for 2 hours.
37. Brothers Lazlo and George Biro invented the ballpoint pen.
38. The boy broke the window and took away some money.
39. Someone cut down the tree in the garden yesterday.
40. The artist painted a huge pictures to raise fund for the poor children.