Ⅰ. 根据句意及首字母提示完成单词（10分）
1. —How many s_______ are there in America?
—There are fifty.
2. Plenty of t_______ was taken abroad in Qing Dynasty because of the war.
3. What’s the t_______ of the World Environment Day in 2012?
4. Some s_______ news is on the newspaper every day.
5. There is no student from the s_______ province in my school.
