Here are the correct prepositions to fill in the blanks:

1. **on** the farm
2. **at** the airport
3. **at** the table
4. **on** the bus
5. **in** London
6. **in** the bathroom
7. **in** England
8. **at** No. 10 Tran Hung Dao street
9. **in** the party
10. **at** school
11. **on** page 100
12. **in** the West of Canada

For the second part of your question:
1. A footballer’s life starts **on** the weekend. Most people go out **on** Friday night, but I have to be in bed **at** 10 o’clock **on** Saturday.