Yến Nhi

53. In winter, / accounts / electricity bill / 50% / of / for / heating / our /.

………………………………………………………………………………………………………………………………

54. How much / if we use / instead / do we / two energy-saving bulbs / have to pay /?

………………………………………………………………………………………………………………………………

55. We can / fossil fuels / solar energy / by using / instead of / save natural resources /.

………………………………………………………………………………………………………………………………

56. My family / saving energy, so / every month / we can / save some money / is / aware of /.

………………………………………………………………………………………………………………………………

57. Solar panels / of a house / from the sun / on the roof / to receive / the energy / are installed /.

………………………………………………………………………………………………………………………………

58. you want / the amount of water / uses / to save money, / If / you / should reduce / your family /.

………………………………………………………………………………………………………………………………

59. before / you can save energy / by preparing / turning on / in the kitchen / food / carefully / the stove /.

………………………………………………………………………………………………………………………………

60. In order to / can be / an energy saving bulb / an ordinary 100-watt light bulb / by / save / replaced / electricity, /. 


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