老师正在给学生的作业编号以便归档。

The teacher is ___numbering the students' assignments for filing.

参加这次活动的学生人数达到了800人。

The students attending this event ___number 800.

许多著名科学家都被列入这个杰出贡献者名单中。

Many renowned scientists are ___included in this list of outstanding contributors.