【導(dǎo)讀】A.a(chǎn)re;isB.is;isn'tC.a(chǎn)re;isn'tD.a(chǎn)ren't;is. A.She;HerB.He;He'sC.It;It'sD.Her;She's. A.Yes,IamB.I'mAmericanC.No,I'mnotD.Yes,youare. A.It'shereB.I'mhereC.HeishereD.Idon'tknow. A.Yes,itisB.Yes,it'sC.No,itisn'tD.It'samap. 3.those(單數(shù))________________4.they___________