【導(dǎo)讀】Whosecameraisthat?Maybeit’syours.No,itisn'tmine.It’shers.it’sMary's.Maybeit’syours.No,itisn'tmine.It’shers.it’sMary's.Maybeit’syours.No,itisn'tmine.It’shers.it’sMary's.Whosespoonisthis?Whoseknifeisthis?Whoseforkisthis?Whoseplateisthis?Whoseplateisthis?Whoseplateisthis?