We must___oil with coal as a fuel.

We must___oil with coal as a fuel. 求翻译why we use oil as fuel instead of coal is that it burns b we supply the products in combination with our fuel cartridg we can heat houses and run trains and machines with coal and the burning of gas ,oil,and coal has created acid rain.(as a We need a more capable leader,__ with strong will as well as 英语翻译Awareness of Fuel cell technology as a source of power i less fossil fuel is being used as a result of the operations 英语翻译we feel as if we were in a measure actors with them im t 英语翻译A freight train,its dozen cars loaded with coal covered 追分50字母组单词the farmers burn ____ as fuel (alco)we get day out 英语：China's fuel prices,with taxes---,are at a relatively low