----- 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