If there were life on Mars,such life forms_______unable to survive on earthA isB areC would beD will be选那个

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IftherewerelifeonMars,suchlifeforms_______unabletosurviveonearthAisBareCwouldbeDwillbe选那个Iftherewere

If there were life on Mars,such life forms_______unable to survive on earthA isB areC would beD will be选那个
If there were life on Mars,such life forms_______unable to survive on earth
A isB areC would beD will be选那个

If there were life on Mars,such life forms_______unable to survive on earthA isB areC would beD will be选那个
C
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