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.