能不能帮忙做完形填空~题如下
TheUnitedStatesiswell-knownforitsnetworkofmajorhighwaysdesignedtohelpadrivergetfromoneplacetoanotherintheshortestpossibletime.__1__thesewidemodernroadsaregenerally__2__andwellmaintained,with__3__sharpcurvesandmanystraight__4__,adirectrouteisnotalwaysthemost__5__one.Largehighwaysoftenpass__6__scenicareasandinterestingsmalltowns.Furthermore,thesehighwaysgenerally__7__largeurbancenterswhichmeansthattheybecomecrowdedwith__8__trafficduringrushhours,__9__the“fast,direct”waybecomesaveryslowroute.
However,thereis__10__alwaysanotherroutetotake__11__youarenotinahurry.Notfarfromthe__12__new“superhighways”,thereareoftenolder,__13__heavilytraveledroadswhichgothroughthecountryside__14__ofthesearegoodtwo-lane(双车道)roads;othersareunevenroads__15__throughthecountry.Thesesecondaryroutesmaygoupsteepslopes,alonghigh__16__,ordownfrighteninghillsidestotowns__17__indeepvalleys.Throughtheselessdirectroutes,longerandslower,theygenerallygotoplaces__18__theairiscleanandthescenery(风景)isbeautiful,andthedrivermayhavea__19__togetafresh,clean__20__oftheworld.
1.A.AlthoughB.SinceC.BecauseD.Therefore?
2.A.stableB.splendidC.smooth?D.complicated?
3.A.littleB.fewC.much?D.many?
4.A.selectionsB.separationsC.series?D.sections?
5.A.terribleB.possibleC.enjoyable?D.profitable?
6.A.toB.intoC.overD.by?
7.A.leadB.connectC.collect?D.communicate?
8.A.largeB.fastC.lightD.heavy?
9.A.whenB.forC.but?D.that?
10.A.yetB.stillC.almostD.quite?
11.A.unlessB.ifC.asD.since?
12.A.relativelyB.regularlyC.respectively?D.reasonably?
13.A.andB.lessC.more?D.or?
14.A.AllB.SeveralC.Lots?D.Some?
15.A.drivingB.crossingC.curving?D.traveling?
16.A.rocksB.cliffsC.roads?D.paths?
17.A.lyingB.layingC.laid?D.lied?
18.A.thereB.whenC.whichD.where?
19.A.spaceB.period?C.chanceD.spot?
20.A.viewB.varietyC.visitD.virtue