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II/
1. The cake is being made with a sharp knife by Mary.
2. The dinner is being prepared in the kitchen by her mother.
3. A big picture in front of the Town Hall is being painted by the artists.
4. The World Cup soccer is being broadcasted all over the world.
5. A test is being given in the next room by the teacher right now.
6. Coffee was being made when I walked into the kitchen.
7. A book was being read by Jack when I arrived.
8. The car was being fixed by my father yesterday afternoon.
9. This fence was being painted by Tom at 9 o'clock yesterday morning.
10. Bill's car was being prepared by a mechanic when we arrived.
III/
1. Many trees have been planted in the park.
2. The trip has been cancelled.
3. Rice has been grown in this region by farmers since ancient times.
4. Elephants have been saved from extinction by conservationists.
5. Our country has been visited by millions of tourists this year.
6. The championship game will be played at Wembley next week.
7. The patient will be treated by Dr. Ba.
8. You will be informed of the test results next week.
9. A new bridge is going to be built over there.
10. Her friends are going to be invited to her birthday party next week.
IV/
1. This exercise must be finished by 9 o'clock.
2. This room may be used for the meeting place.
3. Potatoes should be planted in Spring.
5. A seminar has to be organized this month.
6. That fence ought to be painted.
7. Our car had to be fixed before we left for Chicago.
