哪位英语高手帮忙做下下面的完型填空````有追加``

OnDec.17,1903,OrvilleWright,anAmerican,flewsafelyinaheavier-than-airmachinefor12seconds.HeandhisbrotherWilbourhadmadealotof(1)___andhadtakenimmensetroubletostudythe(2)___offlyinginglidersbeforetheyattemptedtoflytheiraeroplane.Orvillecamedown(3)___afterthefirstshortflight,andonthesamedayhisexperimentwas(4)___threetimes.Thelongestoftheseflights(5)___adistanceof852feetandlasted59seconds.Themachinewhichwasusedhadanengine(6)___onlysixteenhorse-powerbuttheaeroplane(7)___aspeedof35milesanhour.Thetwobrotherscontinuedtheirexperimentsaftertheirfirstsuccess,andin1908Wilburgavesomeexhibitions(8)___flyinginFrancewhichastonishedallwhosawthem.

TheWrightbrothers(9)___thefoundationofmodernflying.Soonotherfollowedintheir(10)___LouisBleriot,aFrenchman,flew(11)___theEnglishChannelfromCalaistoDoverin1909.PrizeswereofferedfortheWrightfromoneplaceto(12)___.Competitionincreased.Theaeroplaneimprovedmoreandmoreasitsbehaviorbecame(13)___understood.

Morepowerfulenginesweredeveloped.In1919SirJohnAlcookandSirArthurBrownmadethefirstflightacrosstheAtlanticOcean,andinthesameyearanaeroplane(14)___fromEnglandtoAustralia.The(15)___ofairtravelhadarrived.

1.A.experimentsB.arrangementsC.expeditionsD.exercises

2.A.practiceB.trialC.artD.lab

3.A.dangerouslyB.healthilyC.pleasantlyD.safely

4.A.designedB.repeatedC.producedD.applied

5.A.madeB.lastedC.coveredD.kept

6.A.developingB.growingC.progressingD.making

7.A.coveredB.arrivedC.reachedD.touched

8.A.withB.onC.atD.of

9.A.layB.lainC.laidD.lied

10.A.footB.feetC.footstepsD.step

11.A.toB.onC.crossD.across

12.A.otherB.anotherC.theotherD.anotherone

13.A.wellB.quiteC.betterD.less

14.A.fledB.flowedC.flewD.flown

15.A.ageB.dayC.yearD.moment

要求准确哦```一定要准确```