Choose the correct preposition: He was oblivious _____ the impending danger.

• শূন্যস্থানে সঠিক উত্তর হবে - to.
- Complete sentence: He was oblivious to the impending danger.
• Oblivious (of/to)
English Meaning: not conscious of something, especially what is happening around you.
Bangla Meaning: অচেতন; বিস্মৃত।

Example sentence: 
- The poet was totally oblivious of the appearance.
- Absorbed in her work, she was totally oblivious to her surroundings.
- The mayor seems oblivious to the likely effects of the new legislation.

Source:
1. Cambridge Dictionary.
2. Accessible Dictionary by Bangla Academy.