Question:
When I heard the telephone ring, I answered it immediately.
Reference explanation:
Correct answer:
Original sentence: When I heard the telephone ring, I answered it immediately.
Translation: When I heard the phone ring, I answered it immediately.
Answers B and A are eliminated because after the preposition “On + V-ing”.
Answer D is wrong in sentence structure and meaning: “On hearing rang”
The answer is C. The structure hear something/someone + V: hear who/what
ADSENSE
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