1.About half of the students who enter grade 2 drop out of, or leave, school before grade 12.
drop out of 退學,失學;從……當中退出
She longed to drop out of the race and make an independent life for herself.
她真想脫離這個圈子去過自由的生活 。
We won't drop out of the occupation, will we, after the war is over.
戰(zhàn)爭結束以后,我們不會從這個占領地退出吧?