HE WARNED US TO BE CAREFUL OF STRANGERS AND NOT GOING OUT AT NIGHT...

35. He warned us to be careful of strangers and not going out at night A B C DIV/ Choose the word or phrase (A, B, C or D) that best fits the blank space in the following passage.Energy is very important in modern life. People use energy to (36) ____ machines, heat andcool their homes, cook, give light and transport people and products (37) _____ place to place.Most energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. However, (38)____ fossil fuels causes pollution. Also, if we don’t find new kind of energy, we will (39) ____ allthe fossil fuels in the twenty-first century. Scientists are working to find other kinds of energy forthe future. What might these sources of energy (40) ____ ?