I. Hãy lựa chọn câu trả lời đúng nhất.
1. Jo has been a student here ________ March. 
2. First Nations people in British Columbia have told stories about the eagle ________ hundreds of years. 
3. Maya has been a professional singer ________ 1989. 
4. I haven't been snowboarding ________ last winter. 
5. Mary has kept a diary ________ she was ten years old. 
6. Cougars have almost disappeared from the Victoria area ________ humans settled here. 
7. So far, it has rained ________ five hours. 
8. They've been married ________ twenty-five years. 
9. The beaver has been an emblem of Canada ________ many years. 
10. The Canadian two-dollar coin (or toonie) has been in circulation ________ 1996. 
11. We have owned this TV set ________ 1968, and it still works! 
12. Dolphins have lived in BC waters _________ millions of years, and are still common today. 
13. They have been at the hotel __________ a week. 
14. This wine has been in the cellar _________ 15 years. When we take it out and open it, it will taste beautiful! 
15. She has lived here _________1980. 
