联合国部队被分配了重建医院的任务。

UN forces were ___assigned the task of rebuilding the hospital.

这个案件已经分配给我们最高级别的警官。

The case has been ___assigned to our most senior officer.

他们被分配的一些工作对他们来说相当无聊。

Some of the work they were ___assigned was quite boring for them.