----- Nội dung dịch tự động từ ảnh ----- for a few miles did Jane realize she was on the wrong route. B. had run C. has run D. runs to bed before their parents came home from work. A. were all going B. had all gone C. had all been going D. have all gone 33. Paul noticed a job advertisement while he along the street. A. was walking D. had walked B. would walk 34. I haven't met him again since we A. have left B. leave 35. For the last 20 years, we A. witness 31. A. was running 32. The children Only after the bus_ C. walked school ten years ago. C. left significant changes in the world C. witnessed B. have witnessed D. had left of science and technology. D. are witnessing