K here's all i know
2. Suresh is polishing the furniture.
5. All the visitor's appreciated Lucy's painting.
6. The teacher will correct the mistake.
7. The Chief Minister will inaugurate the new flyover.
9. The Red Cross Society organized the blood donation camp.
10. A reputed programmer designed our school website.
11. The principal will soon announce a new evaluation system.
16. who put up this notice? <--(...not sure about this one)
17. How did you solve this riddle?
18. How many members did you inform?