It is useful to science _______ the earth as an object in space.
A、toconsiderC
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Itisusefultoscience_______theearthasanobjectinspace.
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
Let'sdrink_______Dicks'successinbusiness.
