Вставьте в предложения it или there.
1. … are no students in the classroom. They are in the hall.
2. … was very cold yesterday so we stayed at home.
3. … is easy to translate this poem.
4. … is much snow in the mountains. Let’s go skiing!
5. … was interesting to know who was to be our teacher.
6. … will be a lot of problems with this new project.