Answer:
Complex prepositions are prepositions made up of more than one word. Here are some examples of complex prepositions with sentences:
1. According to - According to the weather forecast, it's going to rain tomorrow.
2. As for - As for the party, it was a huge success.
3. Because of - Because of the heavy snow, the roads were closed.
4. In addition to - In addition to his studies, he also has a part-time job.
5. In front of - The car is parked in front of the house.
6. In spite of - In spite of the rain, we went for a walk.
7. On account of - On account of his illness, he couldn't attend the meeting.
8. In order to - He woke up early in order to catch the first train.
9. Next to - The library is located next to the post office.
10. Due to - The flight was delayed due to bad weather.