Answer the questions in ex.1 at page 83. Read the text and answer the questions in ex.2. Watch the video "What a waste!" and answer the questions at page 82 (Discovery education) https://youtu.be/4JMckW1DuyQ

1)All progressive people( fight) for peace.
2)When was the radio( invented)?
3)When was ,,War and Peace,, (written) by Tolstoy?
4)Chemically pure water is never ( met) with in everyday life.
5)Much attention(is paid) to the living condiyion of people in our country.
1)My sister(was invited) to the birthday party by her friend yesterday.
2)More and more houses(are build) in our country from year to year.
3)We( open) the window after every lesson.
4)We(will finish)our experiment in a week.
5)Young trees(were plant)in the street last autumn.
6)I( answered)my brothers letter last week.