Unit1TheChangingWorldTopic1Myhometownhasbecomemoreandmorebeautiful
夹石中学侯再平(录音)SectionBWhatdidshedoinherhometown
Shetookpartinsomevolunteeractivities
Shehelpedthedisabledchildren
MariahascomebackfromCuba
volunteeractivitiesdisabledchildrenListenandtickwhatMariahasdoneinherhometown
cleanroomsforthedisabledchildrenfeedthedisabledchildrencookforthedisabledchildrentravelMaria√A:HassheB:Yes,shehas
No,shehasn’t
cleanedroomsthedisabledchildren
fedthedisabledchildren
cookedforthem
traveled动词的过去分词√×√×beenavolunteer
(录音)beavolunteerVerbPastTensePastParticiplecleancleanedcleanedjumpjumpedjumpedchatchattedchattedhavehadhaddodiddoneam/is/arewas/werebeenshutshutshut………1bFillintheblankswiththedifferentformsoftheverbs
ActivityNamecleanroomsjumpropechatonlinehavesummerclassesdofarmwork…Ann√√×√×ZhangYang…1bP