Chaired
vt. 主持（chair的过去式与过去分词形式）
🗣️ 情景例句
She was hired on the spot by the company.
她当场就被那家公司雇用了。
I'm a graduate of Yale University., I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
You are welcome.
不客气。