[ 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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Verb 3 formsPossessive Pronouns and Adjective PronounsExclamationDemonstrative PronounsComparison and ModalsSubordinating ConjunctionsWH Questions and Simple Past TenseAdjectives (-ed / -ing)Modal Verbs and ConditionalsTenses and PronounsOther quiz:
Conjunctions › ViewIdentify the subordinating conjunction in the following sentence: ‘Unless you finish your homework, you cannot go out.’
A. Unless
B. Or
C. And
D. But
Conjunctions › View
I’m playing tennis tomorrow … it’s raining.
A. if
B. unless
C. as long as
D. so long as
Grammar › ViewWhich is wright
A. wright
B. wite
C. write
D. noob
Grammar and Vocabulary › View
The planets of our solar system ______ the sun, which is a star.
A. biosphere
B. orbit
C. spacecraft
