Заполните пропуски, поставив предлоги since/for:
1. I haven’t seen him ______ Monday.
2._______centuries people have been living here.
3. Are you planning to stay here______ a week?
4. Wait ______10 minutes, I’ll be back.
5. People have been throwing away so much litter ______ the last 20-30 years.
6. She’s been bullied ______she came to this school.