Ответ:

I date back to this fact positively ( в значении как " отношусь" )

I want to visit this small but peaceful town

I have dedicated a lot of time to my project

A lot of animals disappeard because hunters kill them

While I was reading the book I imagined the palace with Queen

Nowadays people destroyed so many trees

The engineers are thinking ( в значении раздумывать)  about new foundation

You should read the rules of the game before saying that I'm cheating

sailor  set a sail

Antarctida is filed as the coldest place on the planet