Ⅰ. 根据句意及汉语提示完成单词（10分）
1. I have an _______（约会） with my friend at 5: 00.
2. Only three _______ (百分之……) of all Canadians are from First Nations.
3. Early in the morning I saw a large _______（人群）in front of the supermarket.
4. —How many _______ (分钟) do you exercise every day?
—About half an hour.
5. He _______（吸烟）many years ago but has stopped now.
