Wybierz prawidłowe uzupełnienie zdań.

1. Last week was so/such a busy time for us all.
2. You can't have seen/must have seen him. It was too dark.
3. That was really dangerous. You could have died/must have died there.
4. The task was so/such difficult that I asked my dad for help.
5. Trains were invented by/from British engineers.
6. If only my maths teacher was/is a bit more friendly.
7. They're knocking down the theatre that/where we met.
8. The car could have been/can't have been in an accident. We're not sure.
9. My cousin that/whose lives in Warsaw is a fireman.
10. My neighbours must have gone/can't have gone on holiday because i saw them just five minutes ago.