4、ybikeislost.Idon’tknowwhat(do).24.. Mother wassweepingthe floor when I ______(get)home25.Mariaisoneofthe_____________________(beautiful)girlinourclass.26.There_________(be)asportsmeetinginourschoolnextweek..27.Whileshe(talk)withaboy,Icameintotheclassroom.