Zaznacz prawidłową odpowiedź: 1. These days, DNA evidence CAN'T / CAN be used to solve crimes. 2. Charles MUST / MIGHT be a prince because his mother is a queen. 3. He MIGHT / MUSTN'T be a descendant of King Edward but nobody really knows. 4. The history book on the table CAN'T / MUST be yours because I've got mine. 5. This CAN'T / MUST be Swiss chocolate - look, there's a Swiss flag on it. 6. That MAY / MUST be thei national anthem but I don't know for sure. 7. It MUST / CAN'T be snowing, it's summer! 8. The capital of Greenland COULD / CAN'T be Riga but I'll have to check.