: Chia dạng đúng của động từ của thì trong ngoặc ở thì thích hợp. 1. At this time yesterday we (play) tennis in the schoolyard. 2. At 7 p.m yesterday he (watch) TV. 3. Yesterday while my father (watch) TV, my mother (read) the newspaper, my sister (do) her homework and I (play) chess with my friend. 4. What were you doing when I phoned you? I (have) a bath. 5. She (do) her homework at the time yesterday. 6. Marry (water) the flowers at 3 p.m yesterday. 7. They (visit) the zoo at ten o'clock yesterday. 8. Peter and I (do) the exercise at this time last night. 9. At 7 p.m last night my father (feed) the pigeons. 10. At this time last year we (learn) English in London.