您要查找的是不是：
- The cause of the fire was traced to a faulty fuse-box. 起火的原因已查出是因保险丝盒中有短路。
- The cause of the fire is unknown. 这场火灾的起因还不。
- The cause of the fire still remained a mystery. 这场火灾的起因仍旧是个谜。
- The cause of the fire was a cigarette end. 火灾的起因是一个香烟头。
- Nobody knows the cause of the fire for sure. 没有人确切地知道大火的原因。
- He started an inquiry into the cause of the fire, and prosecute it for three weeks. 他开始调查火灾的原因，接著调查了三个星期。
- She demanded an inquiry into the cause of the fire. 她要求对起火原因进行调查。
- The cause of the fire is not yet known. 火灾的原因尚不清楚。
- The cause of the fire is still unknown. 这场大火的起因还不知道呢。
- They are looking into the cause of the fire. 他们正在调查这场大火的起因。
- The fire was the cause of the ruin of the temple. 那场大火毁灭了这座寺庙。
- The cause of the fire was carelessness. 起火的原因是由于疏忽。
- We are still in the dark about the cause of the fire. 我们对着火的原因一无所知。
- The cause of the fire could have been cigarette-end. 可能是烟头导致起火的。
- Have the firemen discover the cause of the fire yet? 消防员发现了火灾的原因了吗?
- A fireman accidentally discovered the cause of the fire. 一个消防队员偶然发现了起火的原因。
- The cause of the fire was tracedto a faulty fuse-box. 起火的原因已查出是因保险丝盒中有短路。
- They had some trouble finding out the cause of the fire. 他们在查找起火原因时遇到了一些困难。
- The firemen were in a puzzle about the cause of the fire. 消防队员对这场火灾的起因困惑不解。
- We must try to analyse the causes of the strike. 我们得研究一下罢工的原因。
