She works in a shool.She works hard and she never gets a_____.

问题描述:

She works in a shool.She works hard and she never gets a_____.

arrear
落后怎么会呐?能解释一下吗?她在学校里面工作。她很勤奋,从不落后于别人。谢谢,可你比楼上晚了一步