问题描述：
It___Yang Liwei about 21 hours____the earth 14 times in his spaceship
现在马上知晓 A.spent,circling B.took,Traveling C.spent,totravel D.took,to circle
现在马上知晓 A.spent,circling B.took,Traveling C.spent,totravel D.took,to circle
问题解答：
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