五道高中英语单选题
①Thetwoflucases,()occuredaweekago,werecausedbyH7N9virus.
A.thefirstofwhichB.thefirstofwhom
②Tomsatunderatreeandseeinghisfrienda,()upinnotime.
A.stoodB.standing
③Oppositetheoldtownisthe5500metersYulongXueshanMountain,itspeak()withsnow.
A.iscoverdB.coveredC.iscovering
④()CPIupby12%,theeconomywillmeetgreatchallenges.
A.WithB.As
⑤No,youcantgoout()yourworkisbeingdone.
A.untilB.as
答案:AABAB求正解解析和错解的错因,谢谢!o(∩_∩)o