Timing Submitted Papers

• 定时交卷

Timing Submitted Papers的用法和样例：

例句

1. Go over your papers carefully before you hand them in.
   交卷前仔细地把试卷从头到尾看一遍。
2. The teacher demands that students should turn in their test papers within two hours.
   老师要求学生两小时内交卷。