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Help a pompous spaceship captain log his official report about a bizarre alien encounter by choosing the best words for each gap.
Captain's Log, Stardate 4092:
The mysterious neon-pink nebula _________________________ the strange transmission originated smelled strongly of strawberries. Unfortunately, the six-eyed alien ambassador, _________________________ I attempted to negotiate a peace treaty, simply ate my communication device and burped.

The correct answers are from which and with whom.

In official or formal registers, we avoid ending a sentence with a preposition (preposition stranding) by moving the preposition before the relative pronoun.

  • A transmission originates from a place, giving us "from which." ("That" cannot follow a preposition).
  • You negotiate with someone. When referring to a person after a preposition, you must use the objective case "whom," giving us "with whom."
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