3. She's sitting on the floor. (Она сидит на полу.)
4. She isn't reading a book. (Она не читает книгу.)
5. She isn't playing the piano. (Она не играет на пианино.)
6. She isn't laughing. (Она не смеется.)
7. She's wearing a hat. (На ней шляпа.)
8. She isn't writing a letter. (Она не пишет письмо.)