【導讀】Unit1CanIdothis?Whatcolorisit?ontheroad?andpedestrians.PsfollowT.2.Introduce:Stop!Wait!Go!lightisred.Canwego?'Thesametoteach'wait''go'3.Introduce:Cross!Don'tcross!write:Stop!/Wait!/Go!Underneath.andact.driver.theboards.'toaskforpermission. Review:CanI/we…?crosstheroad?door.Say:CanIgoout?Thentake. ein?