Слово when подходит по смыслу -
у Сандры случилось несчастье, когда она открыла дверь, т.к. собака убежала.
1. a
2. a
3. a
4. a
5. a
6. an some
7. any
8. any
9. a an some
10. any
2)
1. annoyed, annoying
2. Embarrassed, embarrassing
3. Disappointed
4. Exausted
5. Excited , exciting
6. Interested, interesting
3)
1. My granddad used to enjoy reading
2. Her face used to look pale
3. My grandparents didn't used to have computers
4. He used to took part in the competition
5. I used to knew many italian poems
4)
1. Isn't
2.don't
3.isn't
4.don't
5.doesn't
6.doesn't
7.doesn't
8.don't
9. Doesn't
10. doesn't
Will be washed
will be showed
will be done
will be published
1)doesn't
2)doesn't
3)don't
4)doesn't
5)don't
6)don't