即使在紧张的工作环境中，她总是办公室里最乐观开朗的那个人。

Even in a stressful work environment, she is always the ___cheeriest person in the office.

她穿着最鲜艳的连衣裙，成为了派对上最开心的人。

She wore the ___cheeriest dress and became the happiest person at the party.