【正确答案】正确答案： Graduation Ceremonies May and June are the months when most American colleges and universities hold their commencements. / These ceremonies are a time for family and friends / to gather and celebrate a student's completion of an academic degree. / Most ceremonies are traditional. / The students wear caps and gowns over their clothing. / One by one, their names are called. / They go to the front, shake hands with school officials / and receive a document of some kind. / But first they must sit and listen to speeches. / Colleges and universities often invite famous guests or former students who have become successful. /