Bài làm:
1. The weather was very bad yesterday.
2. The woman was at the party last night.
3. That girl was unhappy because she doesn't have any friends in the city.
4. Were Ba and you at home yesterday morning?
5. The homework was very difficult yesterday.
6. The children were in the zoo five days ago.
7. Da Nang is a beautiful place.
8. Where was your sister yesterday? - She was at home.
9. His uncle was in Ho Chi Minh City last month.
10. When my son was eight years old, he played the piano.
# Học tốt #