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11. The electric light bulb was invented by Thomas Edison.
12. Be sure to follow the instructions given at the top of the page.
13. The family members taken by surprise hardly knew what to say.
14. Students arriving late will not be permitted to enter the classroom.
15. We drove along the road flooded after the heavy rain.
16. The scientists researching the causes of cancer are making progress.
17. The wild ox kept at Nam Cat Tien National Park is of a special kind.
18. The helicopter flying towards the lake made a long droning sound.
19. The winner of the marathon breathing deeply and smiling at the crowd raised her right hand and waved.
