1. underline directions circle mall 2. underline lean circle tree 3. underline underneath circle missing library book 4. underline beside him circle her hand 5. underline arrived circle teacher? (not so sure) 6. underline through circle trees 7. underline in circle miniature train 8. underline in circle the Till whatever that name is 9. underline wrote circle the name of the song 10. underline noisy bird circle the roof.
not so sure about some of the last ones kinda hard but a preposition is telling where something is think of it like a position preposition tells where something is