High school is____time of discovery an learning,and it is also____very enjoyable and valuableexperience 答案为什么是a a

high school senior high school 还是 high school senior high school senior high school high school-grad 和high school-some finish high school HIGH SCHOOL怎么样 high school同义词 high school怎么读 senior high school high school是什么意思 high school 怎么写 High school的意思 high school diploma是什么意思 high school competency concordia high school怎么样 high school diploma是什么意思 high school的近义词 Junior high school 、Middle School ；Senior High School、High School区别