III. Give the correct form (past simple) of the regular verbs in brackets.
1. I (remember)...................your trip to Nha Trang two years ago.
2. .......................(you/ understand) the film? No, I...................
3. She (walk).......................to the park and then she played tennis.
4. My father (stop)......................smoking 3 years ago.
5. Lan (phone).................me yesterday.
6. How many goals....................(your team/ score) in the first half.