Составить вопросы, используя пассив 1) ask about the telephone (when/invent) 2) ask about glass (how/make) 3) ask about australia (when/discover) 4) ask about silver (what/use for) 5) ask about television (when/invent)
1) When was the telephone invented? 2) When was glass made? 3) When was Australia discovered? 4) What was silver used for? 5) When was television invented?
2) When was glass made?
3) When was Australia discovered?
4) What was silver used for?
5) When was television invented?