题文
It Yang Liwei about 21 hours the earth 14 times in his spaceship.
| A．spent; circling | B．took; traveling | C．spent; to travel | D．took; to circle |
It Yang Liwei about 21 hours the earth 14 times in his spaceship.
| A．spent; circling | B．took; traveling | C．spent; to travel | D．took; to circle |
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