based on 5F ex.2Choose the correct preposition.

1. By the time the firefighters arrived, the block of flats had already gone up
   [at|in] flames.
2. Jungle cats are wild
   [by|in] nature and cannot be kept as pets.
3. Once the tornado had passed, Greg knew they were
   [in|out] of danger.
4. The 1908 earthquake in Italy left the town of Messina
   [with|in] ruins.
5. Why
   [on|by] earth didn't you tell me that before?

Sources:

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