1. The lights will be turned off when leaving a room or going to bed.
- Câu bị động thì tương lai đơn: will be PII
- "I" là đại từ nhân xưng-> by sb không cần thiết.
2. Coal is more expensive and polluting than natural gas.
- So sánh hơn: more+ adj_dài.
3. In spite of the bad weather, I had a very good time in Brazil.
- In spite of+ N(s/es)/ Ving/ the fact that+ clause..= Although+ clause.
