In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Our school organised a graduation day to award certificates to the students. The graduation day highlights the overall achievements of students. All the students who are being graduated are invited formally with their parents. Students wore their attire according to the dress code given to them by the school administration. High school graduation ________(1) is one of the most awaited and last event of any school. The function began with ________ (2) the lamp, followed by the distribution of certificates in a very systematic way. Our principal made a long and ________ (3) speech and blessed us for the future ________ (4). On behalf of our graduating class, our class representative extended a vote of thanks to show ________ (5) to all staff members. One of the parents expressed their experiences and views. At last, all the students, parents and staff members had lunch together.
Select the most appropriate option to fill in blank number 5.