SEE HIM / WALK ALONE / PARK / AGO. A. I SAW HIM WALK/WALKING ALONE...

30. - CAU HOI ON THI MON ANH VAN BẬC 2 CÔNG CHỨC 2020
CAU HOI ON THI MON ANH VAN BẬC 2 CÔNG CHỨC 2020
30. see him / walk alone / park / ago. a. I saw him walk/walking alone in the park since 15 minutes ago. b. I saw him walk/walking alone in the park 15 minutes ago. c. I saw him walk/walking alone in the park for 15 minutes. d. I saw him walk/walking alone in the park since 15 minutes.