Задание 2.
1. Does heat travel easily through some materials?
2. Whom did he meet when he went to the scintific conference?
3. Why can we add these fractions? (ответа на этот вопрос из предложенного предложения получить невозможно)
4. Who was the first man to invent radio? Who invents radio?
5. How shall we make the experiment?
Задание 2.