25. Have you read the _______ of our school closing ceremony? (announce)
26. In the 18thcentury jean cloth was made _______ from cotton. (complete)
27. The next stage in the development of television is ________ TV. (active)
28. Some _________ have raised people’s awareness of rhinos’ protection. (conservation)
29. Sweden has a(n) _______ solar energy program. (advance)
30. We all enjoy listening to his ________ stories. (humor)