高中英语单项选择题解析
21.Itis______challengeforgraduatestofind______workasunemploymentisveryhighnowadays.A.the;/B.a;/C.a;aD./;the【答案】【解析】24.Pleasekeep______secretthathehasdecidedtogiveuphispresentposition.A.oneB.thisC.itD.that【答案】【解析】26.Thereisarealdanger______theU.Swillnotkeepitspositionontheworldeconomicstage.A.whereB.thatC.whichD.one【答案】【解析】27.Afterayear’straining,theyweremadeentirelyused______underwater.A.tostayB.tostayingC.stayingD.stay【答案】【解析】