which sentence is in passive voice? the prospect of potentially living in a foreign country one day excites…

Brief Explanations:

In the passive - voice, the subject receives the action. In "I am excited by the prospect of living in a foreign country one day", the subject "I" is receiving the action of being excited. In "The prospect of potentially living in a foreign country one day excites me", the subject "the prospect" is performing the action of exciting.

Answer:

I am excited by the prospect of living in a foreign country one day.