[ Grammar ]
_______________ on the expedition two years ago, Edmund was able to provide the team with some valuable insights on how they could overcome the intense cold.
A. Going
B. Had gone
C. Will be going
D. Having gone

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Grammar › ViewWhich is wright
A. wright
B. wite
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The planets of our solar system ______ the sun, which is a star.
A. biosphere
B. orbit
C. spacecraft
