3、A.duckB.acowC.pigs()6.Isthis__________uncle?——Yes,heis.A.youB.heC.your()7.Thisismysister._________iseight.A.HeB.SheC.They()8. ——Look at my coat. ——_______ A. How beautiful! B. It’s in your pencil case. C. No, it isn’t.()9.__________areyou?I’mnine.A.HowoldB