今天早上有三个人打电话请了病假。

Three people ___called ___in ___sick this morning.

就在音乐会开始前，后台助理打电话请了病假。

The backstage assistant ___called ___in ___sick just before the concert.

如果你感觉不舒服，应该打电话请病假，而不是去上班。

If you feel unwell, you should ___call ___in ___sick instead of going to work.