tā / qù / nián / liú / jí / le / jīn / nián / hái / hé / yuán / lái / de / tóng / xué / yì / qǐ / shàng / kè

她去年留级了，今年还和原来的同学一起上课。

She repeated a year last year and is still taking classes with her former classmates this year.