Nouns + Prepositions

Complete each sentence with the correct preposition.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints!
1. The police don't know the cause the explosion.
2. There's been a rise the number of accidents.
3. His reaction what I told him was really strange.
4. I can't understand his lack patience.
5. What's the main disadvantage living alone?
6. You have to find a solution that problem.
7. John has a great relationship Mary.
8. There's no reason that kind of behaviour.
9. You have to show some sympathy his situation.
10. Peter's attitude school is very negative.
11. I haven't seen John for a while. I think he's in trouble the police.
12. You have to find an alternative the kind of life you've been living.