重写句子：Not until he crossed the line and felt the tape snap against his chest did Johnson know he had won the race.(loose sentence)
Johnson did not know he had won the race until he crossed the line and felt the tape snap against his chest.
暂无解析
Ifyou_______inbehavinginthiswayyouwillbringyourselfnothingbuttrouble.
写信(40points)
Writealetteraccordingtothefollowingsituation:theWenchuanearthquakehasmadethiswinterextremelydifficultforthevictims.WritetotellyourfriendSmiththatyouareraisingmoneytobuy200piecesofcotton-paddedclothingandsomeothernecessitiesfortheearthquakevictims.Askhimtojointhecharityandshowyourappreciationsforhishelp.Don’tforgettotellhimyourphonenumber555-5555forfurtherdiscussion.PleasesignyournameasLiPing.(150-200words)