Ребят помогите кто-нибудь с английским, уже 4 раз кидаю это задание, и никто так и не помог

1. It is polluted by a local factory 2. I know it hasn't been picked up for ages. 3. Yes, the invitations were sent last week. 4. Yes, it is being built right now. 5. Yes, it will be finished tomorrow. 6. It is collected twice a week.