Complete thesentences. Usecould, couldn't and had to, didn'thave to ?​

1.  Canada is a large and rich country in North America.

2. The capital of Canada is Ottawa.

3. The symbol of the country is a red Maple leaf.

4. On the border with the USA, there is a beautiful Niagara waterfall.

5. There is magnificent nature,  and friendly people live in Canada. A lot of them are good at sports.  

6. It is situated in the northern and central parts of  North America.  

7. Canadian English and French are official languages in this country.  

8. The most popular cities are Ottawa, Toronto, Vancouver, Montreal, Edmonton, Calgary, Mississauga.

9. The British Queen Elizabeth ll is the head of Canada.

10. Government  of  Federal parliamentary  constitutional monarchy:

• Monarch :  Elizabeth II

• Governor - General:   Julie Payette

• Prime Minister:  Justin Trudeau