1)All progressive people(to fight) for peace.
2)When the radio(to invent)?
3)When ,,War and Peace,, (to write) by Tolstoy?
4)Chemically pure water never (to meet) with in everyday life.
5)Much attention(to pay) to the living condiyion of people in our country.

Помогите раскрыть скобки, поставить глагол в нужный залог и время,пожалуйста
1)My sister(to invite) to the birthday party by her friend yesterday.
2)More and more houses(to build) in our country from year to year.
3)We(to open) the window after every lesson.
4)We(to finish)our experiment in a week.
5)Young trees(to plant)in the street last autumn.
6)I(to answer)my brothers letter last week.