з Нужно вставить A/an some/any We use ... in affirmative sentences We use ... in negative sentences We use ... in questions

1. A/an

2. Any

3. some

Объяснение:

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.

1. «may/might I talk to your boss?» he asked.
2. The children may go for a walk tonight.
3. She said that they might smoke there.
4. Andy was allowed to leave school early yesterday because he was feeling unwell.
5. She told me that I might stay a little longer that night.
6. You may take the book home and keep it for a week.
7. They  are allowed to leave their seats and walk up and down the class.
8. She is allowed to go home in a few days.
9. may I ask you to repeat the rule again?
10. Drivers are allowed to go at 40 kilometres an hour here.