* Fill in each blank with a suitable preposition.
1. The rocks have eroded ……………over time.
2. They’re both beautiful - I can’t make ……………my mind.
3. We have narrowed ……………the list to four candidates.
4. Son Doong Cave is located ……………Quang Binh Province.
5. The hotel room looked ……………over a beautiful garden.
6. You can go ……………a guided city tour around Copenhagen.
7. Jackie’s really ……………surfing. He spends most of his time on the waves.
8. Son Doong was recognized ……………one of the most beautiful caves on earth.
9. Black Friday is a good time to do Christmas shopping ……………breaking the bank.
10. People first knew about Thien Duong Cave when it was ……………ABC’s “Good Morning America”.