Плиз помогите с номером 22.Заранее спасибо

1 I like to fly by plane .  It is so fast. 2 - did you buy the tickets at the railway station? - No, i didn't. I bought them at the airport. 3 The plane is flying in the blue sky, over the plains, over the seas. 4 Can i buy a ticket for Moscow, please? 5. Can you hear? Somebody is crying for help. 6. Shall we go by bus or shall we goon foot?