B

Câu bị động

1. Nam said “I am told to be at school before 7 o’clock” ……………………………………...……………………………………………………… 2. Thu said “All the students will have a meeting next week” …………………………………………….……………………………………………… 3. Phong said “My parents are very proud of my good marks” …………………………………………………………………..………………………… 4. The teacher said “All the homework must be done carefully” …………………………………………….……………………………………………… 5. Her father said to her “You can go to the movie with your friend” ………………………………………………..…………………………………………… 6. Hoa said “I may visit my parents in the summer” ………………………………………………..…………………………………………… 7. The teacher said “We can collect old book for the poor students” ……………………………………………………………………………………………… 8. She said “She doesn’t buy this book” …………………………………………….……………………………………………… 9. The boys said “We have to try our best to win the match” ……………………………………………………………………………………………… 10. Her classmate said “Lan is the most intelligent girl in our class” ……………………………………………………………………………………………… 11. They told us “Our friends will get the award for their highest scores” ……………………………………………………………………………………………… 12. He said “I will go to school by bus tomorrow” ………………………………………………………………………………………… 13. Phong said “I need to learn more vocabulary” …………………………………………………………..………………………………… 14. His brother told him “You can use my computer today” …………………………………………………………………………………………… 15. Mai said “I can not go to the movies with you, Nam” ………………………………………………………………………………………………

4Al + 3O2 -t°-> 2Al2O3 (nhôm oxit)

4P + 5O2 -t°-> 2P2O5 (điphotpho pentaoxit)