1.About half of the students who enter grade 2 drop out of, or leave, school before grade 12.

drop out of 退学，失学；从……当中退出

She longed to drop out of the race and make an independent life for herself.
她真想脱离这个圈子去过自由的生活=)KQ&tGe]CLyBToT。

We won't drop out of the occupation, will we, after the war is over.
战争结束以后，我们不会从这个占领地退出吧？

r@eL)j1W]s-2&@2@K9c,dmxTeQCZZOY_]bSD+3_ 来源:可可英语 //www.utensil-race.com/broadcast/201501/354685.shtml