One morning a london boy was sitting in the bus on his way to school. he was sniffing all the time and making such a noise with his nose that the other people in the bus began to shake their heads. at last an old man who was sitting next to him said: little boy, have you got a handkerchief? . yes, i 've got a handkerchief in my pocket, said the boy, "but i can't let you have it. mother ask it's not polite to ask anybody for a handkerchief. you must have and use your own. в тексте нужно выбрать предложения в перфектном