The fire was _____ by the firefighters, but the cause of the fire was still unknown.
举一反三
- Choose the best one to complete the sentence. 1. The fire was ______ by the firefighters, but the cause of the fire was still unknown.
- The fire was______<br/>by the firefighters, but the cause of the fire was still unknown. A: put<br/>up B: put out C: put<br/>away D: put<br/>off
- Exactly which bacteria cause the ______ is still unknown.
- They discovered the cause of the fire accidentally. They discovered it _________.
- “The cause of the fire was a cigarette-end” is compound sentence.