Odpowiedź :
Odpowiedź:
1. We've never experienced such a thrilling adventure before. ( Ever)
This is the most thrilling adventure we have ever experienced.
2. I haven't played chess for a long time. ( Since)
It's been a long time since I played chess.
3. She started making a cake two hours ago.( For)
She has been making a cake for two hours.
4. They last heard from Tim after he'd left for Brazil. (Since)
They haven't heard from Tom since he left for Brazil.
5. It's the first time Mark has driven this motorway. ( Never)
Mark has never driven this motorway before.