Помогите пожалуйста надо сделать номер 9!
Знатоки не проходите мимо!

1. A poet's influence on people is often great.2. They study - a lot of subjects at school.3. Many fish cannot survive in the ocean and die.4. I don't think people can survive in deserts without water.5. No one can like - his behaviour.6. The number of people on the platform was avout ten.7. You should go to Alaska to enjoy the beauty of this US state.