The Japanese school year starts in April and ends in March. _______ there are a lot of graduation ceremonies from mid-March to late March. The main part of the ceremony is for the students to _______ graduation diplomas（毕业文凭）. Because it's the last event of the school year，it's a very solemn（庄严的）occasion. It usually _______ the principal's speech. After that there are often speeches from _______ guests. The diplomas are then _______ one by one to the students by the principal. Every graduate is a hero _______ heroine at the moment. _______ the students receive their diplomas，all the people at the meeting sing Hotaru no hikari together. Other songs may be _______，too. But Hotaru is sung at all schools. The song's melody comes from the Scottish folk song Auld Lang Syne with lyrics _______ Japanese. The Ministry of Education asked the song to be sung in schools in 1881. Today it's performed not only at graduations ________ any time people must part（分别）.