Rewrite the sentence that is closest in meaning to the original sentence using the given words.
41. Sue is talking to a friend of hers. (her)
42. In spite of being the most polluting of fossil fuels, coal is still the largest sources of energy worldwide. (Although)
43.The first hydroelectric power plant was built in Niagara Falls in 1879. (People)
44. Are you interested in flying cars? (interest)
45. I can’t wait to see my best friend. (forward)