- 問題詳情:Iwasatabusytrafficcrossingwaitingtocrosstotheotherside.Therewasafamily—aman,hiswifeandanoldlady,waitingtocrosswithme.Then,thelightturnedgreenandallofuswalkedquicklyacrosstheroad.Thelightlastedveryshort,andchangedintoredinnotime.Inoticedthatb...
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