Unit2Thisismysister一、单项选择（共20小题；共20分）1.isatalltree.It'snear.Butbirdisinthesky.It'sfar.A.This;thisB.This;thatC.That;thatD.That;thisD.Those2.aremygrandparents.C.HeD.WhichA.SheB.ThatD.WhoD.Theseare3.---isthatmanoverthere?D.Those;thisD.those;these---HeisDick'suncle.D.WhatisJimD.WhereA.WhereB.WhatC.WhoD.TheyD.It;these4.---isthegirlbehindyou?---She'smyeldersister.A.WhatB.HowmuchC.Where5.---Howmucharethesetrousers?---65yuan.A.Itis...