用适当的介词填入下列空格中。
1. _____ Sundays we often stay ________ home.
2. He is__________ Australia . He speaks English.
3. Bob lives _______ Toronto , Canada .
4. Monday is the beginning ________ a week.
5. ______ the evening of May 1st, I visited my uncle.
6. There are many people ________ Changan Street every day.
7. Does your sister write ________ you every month?
8. Please tell me ________ yourself.