Hãy dùng động từ trong ngoặc ở thì thích hợp
1. He usually (wear).........................sandals but when I last saw him he (wear)......................shoes
2. When I first met him he (study) ...................painting
3. Whenever I ( go).....................to see her, he was out
4. In the past men frequently (fight).........................duels. Nowadays they seldom (do)................................
5. The ancient Egyptians (build)......................... pyramds as tombs for their kings
6. As he (climb).......................the ladder it (slip)............................aideways and he fell off it.
7. Henry (have)........................a ban fall while he (repair)......................the roof
8. She (take)..................her dog for a walk every morning before it died
9. His sister (work).......................for that company after she (graduate)....................from university last year
10. The play (begin).......................for fifteen minutes when they (come).........................to the theatre