令人伤心的一件事Last Monday whn I stppd into my classroom, my monitor told us that our class tachr, Mr Sun, had passd away in a traffic accidnt. It smd so unblivabl bcaus h usd to giv us lssons on Monday morning.I couldn't accpt th fact until th hadmastr cam to tll us th truth.Mr Sun was a middl-agd tachr. H was full of sns of humour. W all likd him vry much bcaus of his xcllnt taching. His lssons wr usually vry livly and intrsting.W all likd to attnd his class. H was an xprincd tachr.Mr Sun will always liv in our harts