Ответ:

2. I've no idea how many of them have french ancestry.

3. Do you know what is the official language?

4. I'm not sure exactly where is situated Montreal.

5. I haven't a clue who discovered it.

6. I wonder what their buildings looks like.

7. Could you tell me how long does the winter last?

8. Do you know whay did they build underground city?

9. I don't know if there is any visitors.

10. Have you any idea where to find delicious dish of French fries called "poutine"?