Give a talk on public transport.1) whether public transport is important to everyday...

Question

Give a talk on public transport.
1) whether public transport is important to everyday life, and why . 2) how reliable public transport is in serving your community, give examples. 3) whether public transport is a better way to travel than using your own vehicle, give reasons. 4) how using public transport is related to environmental issues.
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Answer 1

1)  I think public transport is important to everyday life, because millions of people use it to get to work or an Institute, to their friends and relatives.                                          
2)  I believe that public transport is reliable  in serving our community, because I've never seen or been in an accident involving public transport.                            
3) To my opinion public transport isn't a better way to travel than using our own vehicle, because I like to travel in my  own car and I don't want to depend on any schedules and time.    

4) To my mind using public transport is better to environment because cars pollute the air too much.