My parents and I went to the park on last Sunday. There were lots of visitors stood in front of the
1. 去掉 2. standing
ticket window. We waited a long time and buy three tickets. In the Tiger Mountain of the park, I was
3. bought
too eager to see the fierce frightened animals that I quickened my steps over the crowd. Unfortunately,
4. so 5. frightening 6. through
I got separated from my parents. I had ∧hard time looking for him , but I had no luck. Wandering in the
7. a 8. them
park, I felt alone without any companions. Worse still, I had no money, so I had to walk home, covered
9. lonely 10. covering
a distance of 5 kilometers.