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MilaColpitts
MilaColpitts MilaColpitts
  • 14-07-2015
  • English
Answered

Astronauts have completed a major mission in space. It was ………. a replacement of the fuel tank in one of the space stations.

AConcerns
BConcern
CConcerning
DConcerned

Verified Answer :

derequinho
derequinho derequinho
  • 14-07-2015

"c' is correct . Concerning here means 'about'

Answer Link

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