小六升中一英文暑期作業

Complete the story below using either simple past tense or past continuous tense.

While I (1)______ (walk) home from school. I saw two bad teenagers who
(2) ______ (bully) a student at the dark corner of a street. The student
(3) ______ (use) to be my classmate.He (4) ______ (study) in my class last year. He (5) ______ (leave) us because he had violated school rules seriously.
When I saw the case, I (6) ______ (report) it to the police immediately. The policemen (7) ______ (arrive) at the scene quickly. They (8) ______ (look) for the two bad guys. Suddenly, the policemen (9) ______ (find) them. The two bad guys
(10) ______ (be) very scared and ran as quickly as they could, but the policemen
(11) ______ (run) after them. Finally, the policemen (12) ______ (catch) them and
(13) ______ (take) them to the police station for further investigation.
On the way to the police station, the two teenagers (14) ______ (age) the policemen to give them a chance. However, the policemen (15) ______ (keep) silent while they (16) ______ (take) the two teenagers to the police station.