1、英语单选易错题100道一、非谓语(2013全国大纲)1.I got to the office earlier that day, ________the7:30trainfromPaddingtonA.caughtB.tohavecaughtC.tocatchD.havingcaught(2013福建)2._____basicfirst-aidtechniqueswillhelpyourespondquicklytoemergencies.A.KnownB.HavingknownC.KnowingD.Beingknown(2013福建)3.Anyone,once____positivefor