______ was responsible for the accident is not yet clear.
举一反三
- —————————— is not clear. A: what caused the accident B: what did cause the accident
- Who is ________for this accident? A: responsible B: responsibility C: response
- Officials have not yet __________ what caused the accident or the explosion.
- It was never clear ____ the man hadn't reported the accident sooner.
- I made clear to him _he should be responsible for this accident.