While ___ to the movies, I happened to see a terrible accident.
举一反三
- Never before ______ see such a terrible car accident on the road!
- I happened __________ (be) there when the accident happened.
- 18.What happened to Yang in the accident? A) She lost one leg in the accident. B) She lost her life in the accident. C) She lost her daughter in the accident. D) She lost her husband in the accident.
- I happened (wait) for the bus when the accident happened.
- I happened to (see)____him in the street.