assignment half-word

例句：

1. 1.The student has been assigned to write a report on the history of the city.
   这位学生被分配写一篇关于该市历史的报告。
2. 2. The teacher assigned homework for the next class.
   老师布置了下节课的作业。
3. 3.They were assigned to work on a project together.
   他们被指派一起完成一个项目。