76Thenumberofpeoplei的精選

問題詳情：76.Thenumberofpeopleinvitedwasfifty,butanumberofthemwasabsentfordifferentreasons.77.Thefirsttwoofthefivequestionsonthetestpaperwereverydifficult,buttherestwaseasy.78.Itisnousecryoverthespiltmi...