Use reduced relative clauses in place of the relative clauses 1. Be sure to follow the instructions that are given at the top of the page. 2. Students who arrive late will not be permitted to enter the classroom. 4. The people who are waiting for the bus in the rain are getting wet. 5. We drove along the road that was still flooded after the heavy rain. 6.The scientists who are researching the causes of cancer are making progress 7.The wild ox which is kept at Nam Cat Tien National Park is of a special kind 8. The helicopter which was flying toward the lake made a low droning sound. 9. Any student who does not want to go on the trip should inform the office.