Fill in each blank with a proper preposition. 1. He asked me whether the movie was based _______ a real story. 2. The Beckhams traveled ______ China in 2011. 3. You can look ______ the word ______ the dictionary. 4. Where are good potatoes grown? Good potatoes are grown ______ North China. 5. What’s this bottle made ______? It’s made ______ china. 6. We are busy preparing ______ the exam. 7. A new bridge is built ______ the river. 8. He came into the classroom ______ a book in his hand. 9. There is a lamp ______ the bed and the desk. 10. Autumn is the best season of the year ______ Beijing.