age: please write the range(0-10,10-20,20-30,30-40......)
1.what is your opinion about trams?
2.do you think that tram still is a popular public transport?(y/n)why?
3.Do you like taking aride on tram?
4.How often do you take tram?
5.Which one do you like, mtr or tram?
answer in english