1Unit3Isthisyourpencil?2apencilboxadictionaryaschoolbagabookaneraser3Matchthewordswiththethingsinthepicturepencilpenbookeraserrulerpencilboxschoolbagdictionaryegbhcdfa1a4Isthatyourschoolbag?No,itisn’t.It’shis.his=hisschoolbagIsthisyourpencil?Yes,itis.It’sminemine=mypencilAretheseyourbooks?No,theyaren’t.They’rehers.hers=herbooks5myouryouryourhisheritstheir形容词性物主代词与名词性物主代词min...