ATalktimeATalktimeStrongandweakformsStrongandweakformsSomewordshavebothastrongformandaweakSomewordshavebothastrongformandaweakform...
ShowinginterestandchangingthetopicQuestionsshowinginterest（升调）Really?Isthatso?Exclamationsshowinginterest（降调）No!Idon’tbel...
