4、ents.GreetingsAskandansweringroups.Discussandanswerthem.Listentothetapeandanswerthequestions.ReadaftertheRecording.Readandact.Checktheanswersinpairs.4.Readthedialoguetogether.5.Asksomepairstoactoutthedialogue.Step 3 Welcome to the unit1.PresentationT:Doyouwanttobeadetective?Howtobeadetective?Her