我看到火灾，惊慌失措了。

I saw the fire and ___I ___lost ___my ___head.

在危机中，她从不惊慌失措。

In a crisis, she never ___loses ___her ___head.

面对巨大的压力，队长没有惊慌失措。

Facing immense pressure, the captain didn't ___lose ___his ___head.