他轻快地走进办公室，准备好开始一天的工作。

He walked ___briskly into the office, ready to start his day.

医生迅速而专业地处理了所有病人的检查报告。

The doctor handled all the patient reports ___briskly and professionally.

今天早上空气清新而寒冷，让人精神一振。

The ___brisk morning air made me feel wide awake.