elearn site

1. of / working / the / cosmonauts / into / with / were / years / After / hard / lots / venture / experiments, / many / space / .
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2. with / in / always / astronauts / are / the / spaceship / preciseness / have to / they / work / When / .
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3. astronauts / as / scheduled / Four / spaceship / could / launch / successfully / the / .
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4. him / flight / another / couldn’t / because / an / to / accident / happened / make / He / space / .
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5. make / that / journey / Tito / anyone / showed / space / could / a / .
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