根據內容選出正確答案： What weapon did the shooter use? A handgun A rifle A knife What do we know about the shooter’s background? He worked in the building He had a history of mental illness He was a police officer ---- 訂閱 Podcast 講義，含逐字稿、重點單字，超過 200 份講義。 https://www.zeczec.com/projects/kevin-english-podcast?r=k67341249890 -- Hosting provided by SoundOn