Chuyển từ câu chủ động sang câu bị động
1. Each lesson they teach us some new vocabulary.
2. They often train the students outside.
3. He sometimes brings old books into the classroom.
5. They show an educational documentary every week.
6. The students didn't use computers at that school.
7. The teacher never took us to the museum.
8. Did the researchers find any evidence of writing?
9. The other class didn't study Russian.
10. Did the technician teach you to use the computer?