Conventions are a way something is done.
Answer:
The cage will be opened
Explanation:
in the passive voice we don't mention who did the thing we only care about the action ..
The rain fell like a crashing wave in wild ocean, it made me tired and my eyes so heavy it felt my eyes carried gallons of milk and multiple groceries,the trees branches were dancing like sugar plum fairies in the wind, stormy days might be fun for others, but not for me.