You should go over your test paper（ ） you hand it in.AbeforeBthoughCbecauseDas soon as...You should go over your test paper（ ） you hand it in.AbeforeBthoughCbecauseDas soon as请选择并翻译整句,且重点解释hand in,
问题描述：
You should go over your test paper（ ） you hand it in.AbeforeBthoughCbecauseDas soon as...
You should go over your test paper（ ） you hand it in.AbeforeBthoughCbecauseDas soon as请选择并翻译整句,且重点解释hand in,
答
dvxdvxcvxdvxdv
答
A
在你交试卷之前，你应该浏览一遍
hand in是上交的意思
答
A before
在你交试卷之前,你应该再检查一下你的试卷.
hand in 交上；提交；呈送；上交
hand it in 这里it指代test paper