I don't think that it can be the correct answer.
c временем, например:
at - at 5 o'clock, at half past one, at night
in - in the morning, in 1998, in summer, in November
on - on Monday, on the 4th of September
предлоги места:
at - at the table (за столом), at the blackboard(у доски)
in - in Moscow, in the park, in the box в...
on- on the table, на...
есть ещё много случаев употребления. Эти - основные.
1. the happiest 2. best 3. cheaper 4. the most delicious 5. more beautiful 6. better 7. the prettiest 8. more famous 9. hotter 10. more expensive 11. cleaner 12. the hardest
I go to bed at ten ...............................................