№7
1. Where is Jack? — He is at work.
2. I go to bed at 10 o'clock.
3. We usually have dinner in the kitchen.
4. Sometimes she stays at college to work in the library.

№8
1. She loves her mother.
2. My brother invited many friends to his party.
3. We like our pets.
4. I put my mobile into the bag.

№9
1. There is a book two, pens and newspapers on her table.
2. Are there many people in the shop? — Yes, there are.

№10
1. a closed window
2. an opened door
3. a broken toy
4. an eaten dinner
5. a drunk milk

№11
1. I don't like ice cream.
2. My sister went to the theatre last week.
3. What did he eat for lunch?
4. My parents will buy a new car next year.
5. They came late yesterday.