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Anonymous Posted 9 years ago
Grammar

Which one is correct?

" Mars Global Surveyor went into Martian orbit in 1997. It................... the entire surface of Mars, sending images that indicate water................. on the surface in recent geological history."

A) has been studied / was to have flowed

B) had studied / was supposed to flow

C) was studied / could have flowed

D) has studied / may be following

E) studied / must have flowed

I say D but I'm not sure

  

Top answer

Anonymous I say D but I'm not sure D won't work. Take another look at E .

— Blue Jay

  • Anonymous I say D but I'm not sure D won't work.
  • Take another look at E .
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1 Answers
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AnonymousI say D but I'm not sure

D won't work. Take another look at E.

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