2017年英语中考常考指示代词练习1、isdifficulttoseeandhearattheback.A.ThisB.HeC.ItD.Those2、________isbelievedthatthelightbulbisoneofthemosthelpfulinventions.A.HeB.ItC.ThisD.That3、TheperformanceofClassAstudentsismuchbetterthan_______ofClassBstudents.A.thisB.thoseC.oneD.that4、----What’s______overthere?----It’samachineforcuttinggrass.A.thisB.itsC.itD.that5、_____istruethathewillcometoseeusthise...