24. "After her partner had uninstalled a program, he restarted the computer." has the closest meaning to_. A. After had uninstalled a program, her partner restarted the computer, B. Had uninstalled a program, her partner restarted the computer. C. Having uninstalled a program, her partner restarted the computer. D. After uninstalled a program, her partner restarted the computer 25. _______________ skills help us analyze a problem scientifically. A. Academic B. Vocational C. Analytical D. Practical 26. When a student enters a college or university, he/she has to choose a main subject of study, which is called ___________. A. primary B. training C. major D. curriculum 27. The public praised the local farmers for ___________ milions of trees on the surrounding hills. A. plant B. being planted C. being planting D. having planted