哪位英语高手帮忙做下下面的完型填空````有追加``On Dec.17,1903,Orville Wright,an American,flew safely in a heavier-than-air machine for 12 seconds.He and his brother Wilbour had made a lot of(1)___and had taken immense trouble to st

哪位英语高手帮忙做下下面的完型填空````有追加``On Dec.17,1903,Orville Wright,an American,flew safely in a heavier-than-air machine for 12 seconds.He and his brother Wilbour had made a lot of(1)___and had taken immense trouble to st
哪位英语高手帮忙做下下面的完型填空````有追加``
On Dec.17,1903,Orville Wright,an American,flew safely in a heavier-than-air machine for 12 seconds.He and his brother Wilbour had made a lot of(1)___and had taken immense trouble to study the(2)___of flying in gliders before they attempted to fly their aeroplane.Orville came down(3)___after the first short flight,and on the same day his experiment was (4)___three times.The longest of these flights(5)___a distance of 852 feet and lasted 59 seconds.The machine which was used had an engine(6)___only sixteen horse-power but the aeroplane(7)___a speed of 35 miles an hour.The two brothers continued their experiments after their first success,and in 1908 Wilbur gave some exhibitions(8)___flying in France which astonished all who saw them.
The Wright brothers(9)___the foundation of modern flying.Soon other followed in their(10)___Louis Bleriot,a Frenchman,flew(11)___the English Channel from Calais to Dover in1909.Prizes were offered for the Wright from one place to(12)___.Competition increased.The aeroplane improved more and more as its behavior became(13)___understood.
More powerful engines were developed.In 1919 Sir John Alcook and Sir Arthur Brown made the first flight across the Atlantic Ocean,and in the same year an aeroplane(14)___from England to Australia.The(15)___of air travel had arrived.
1.A.experiments B.arrangements C.expeditions D.exercises
2.A.practice B.trial C.art D.lab
3.A.dangerously B.healthily C.pleasantly D.safely
4.A.designed B.repeated C.produced D.applied
5.A.made B.lasted C.covered D.kept
6.A.developing B.growing C.progressing D.making
7.A.covered B.arrived C.reached D.touched
8.A.with B.on C.at D.of
9.A.lay B.lain C.laid D.lied
10.A.foot B.feet C.footsteps D.step
11.A.to B.on C.cross D.across
12.A.other B.another C.the other D.another one
13.A.well B.quite C.better D.less
14.A.fled B.flowed C.flew D.flown
15.A.age B.day C.year D.moment
要求准确哦```一定要准确```

哪位英语高手帮忙做下下面的完型填空````有追加``On Dec.17,1903,Orville Wright,an American,flew safely in a heavier-than-air machine for 12 seconds.He and his brother Wilbour had made a lot of(1)___and had taken immense trouble to st
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你太失败了 我是不会帮你这种人的 要做自己想

1楼的```人家是因为不会才在这找人帮助你``你这是什么态度??自己不会就不要这么说来的分```可笑```