3、__.A.Nicetomeetyou,too.B.Goodmorning.C.Hi精品()2.Let______cleantheboard.A.meB.myC.I()3.Howmany________doyouhave?AmathbooksBmathbookCamathbook()4._________isit?---It’sred.A.WhatB.WhereC.Whatcolour()5.Look________ the blackboard! A.at B./ C.to ( )6.We ______ a new class