Complete the following sentences with proper prepositions or adverbs. (每空 2 分 ,共计 20 分 ) 1. A lion escaped _____ its cage at the National Zoo last night. 2. World leaders are now united _____ their quest for peace . 3. Who knows what will happen _____ the future . 4. A lot of workers are afraid ____ losing their jobs . 5. She is strong-willed and never easily give _____. 6. ____ a sense, this is not modern dance . 7. Be careful ____ that knife -- it is very sharp. 8. T he solution _____ last week ’ s puzzle is on page 81 . 9. The idea for the book grew out of a visit ___ India . 10. Sichuan is famous _____ pandas .