It is very difficult to buy train tickets or air tickets

It is very difficult to buy train tickets or air tickets 翻译It is very hard to buy train tickets。 It’s very convenient ______ us to buy train tickets now beca Buying train tickets与Buy train tickets有何区别? 2._________ you _______ (buy) the train tickets to Nanjing? they were waiting to buy tickets __the last train passengers wishing to buy train tickets from january 1,2012 The air tickets are ______than the train tickets.(expensive) 1.it is easy for people to book train tickets (a plerse to buy tickets.A 1- you travel by train or by air,you can reserve tickets onl It is very nice ___ you to get the tickets ___ the World Cup