Completar Frases spaceVersión en línea space por Татьяна Чурзина 1 occured daunted landed Humans have on the moon before with spaceships . 2 cost hurdle surface The of the moon is rocky and dusty . 3 myths Neptune resupply People used to believe in about aliens in space . 4 briny crew possibility The of life on other planets is a big mystery . 5 huge imagination dried lake The rocket flew into space to land on Mars . 6 unsheltered decades similarity It has been since humans first walked on the moon . 7 scarce riverbed cost The of traveling to space can be very expensive .
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