.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
| A．the rhe | B．不填 the | C．the不填 | D．a the |
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.There are over 58,000 rocky objects in__________ space,about 900 of which could fall down onto earth.
| A．the rhe | B．不填 the | C．the不填 | D．a the |
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