At the ceremony, there was great solemnity.
Solemnities are the serious, ceremonial parts of an occasion. "We observed the funeral with prayers, recitations, and other solemnities." "Once the solemnities were out of the way, we eagerly partook...
"I solemnity swear that i'm up to no good"
There was solemnity throughout the crowd during the funeral.
This is one of a series of questions copied from Penn-Foster's "Practical English" quiz.There is no answer here.