Unit6TodayisherbirthdayName:BenAge:10Name:SusanAge:11Name:AmyAge:13Name:VivianAge:9Name:FredAge:15Mr.Zhao52Misszhang29MissZhao27SubjectTeacherAgeScienceMissWang45MathMr.Zhang59ArtMr.Zhao24MusicMissGao32ChineseMissYang36EnglishMissWhite27PEMr.Lin28A:Howoldis...?B:He\Sheis...Read,askandanswerLet'sdoquickly20+40=?50+30=?45+55=?32+47=?40+60=?70+31=?25+65=?53+36=?61+13=?A:Whatis...and...?B:...and...is...