1,Although coal is the most polluting of fossil fuels,it is still the largest sources of energy worldwide. ->Despite........................................................................................................................................................... 2,Biogas will be used for fuels in homes and for transport. ->People..................................................................................... 3,Skycycling tubes will be easy to drive (it). 4,My bike is green (mine). 5,Electric cars cause no air pollution,but they still cause traffic jams (although). 6,Sue is talking to a friend of hers (one). 7,They will use GPS technology to increase accuracy and shorten routes (used). 8,Nha Trang has 10 tourist attractions.Phan Thiet has 5 tourist attractions. ->Nha Trang...................................................................................................... 9,This city has 1 million cars today.It had 10,000 cars 20 years ago. ->20 years ago,this city........................................................................ 10,Peter earned $15,214 per month and Jane earned $14,786 per month. ->Jane earned.................................................................................................. plz giúp tuôi dới thanks rất rất rất nhiều