1.-___I have your name,please?-Yes,Smith.S-M-I-T-H.A MustB MayC Will DNeed2.-Mum,may I watch TV now?-Sure, but you___finish your homework first.A can B may C must D couldBC3.Computers____ process difficult problems very,very quickly.A must B needC should D canD4.-What’s the time now?