1.Transform the sentences using complex object.
1. The announcer called the flight. I've heard it. 2. The plane took off. We all have seen it. 3. He has taken your dictionary. Did you allow him? 4. Pete didn't know how to fix the display. I helped him.5. Ann can't be truant. I've never known her that way.6. He is the author of that programme. Everybody knows it. 7. We were waiting for the delegation. It was due to arrive. 10. The speaker called on all those present to support the chairperson’s suggestions. You've heard it, haven't you?