我最后一个暑假 mylast summer vacation

一个暑假的学习 A summer of learning ; A summer learning

又是一个暑假 Summer ; It is a summer vacation

学习了一个暑假 Learning a summer vacation ; Learning summer

有没有一个暑假课程 Is there a summer course ; Is there a vacation courses

他有一个暑假计划 He has a summer program

小学的最后一个暑假 the last summer in my elementar ; the last summer in my elementary school

迟了一个暑假 A late summer ; Late one summer vacation

后一个暑假 Constantly updating

最后一个暑假 The Last Summer Holiday