III. Change these sentences to the passive voice :
10. Nguyen Hue School will hold an English-speaking Contest next month.
11. A man requested the stranger to leave the meeting.
12. They have eaten all the dinner since they finished the conversation.
20. Why didn’t they mend the roof before it fell in?
21. People said that the policeman soon died of cancer.
22. People think that we are using too much electricity.
23. Every year, Viet Nam exports millions of tons of rice.
24. Vietnamese people celebrate their Lunar New Year Festival around January and February.
25. Our teacher always advises us to study harder on the second term.
26. The Library of Congress in the USA employs over 5000 employees.
27. My mother is making “Special Chinese Fried Rice” in the kitchen now.
10.An English-speaking Contest will be hold by Nguyen Hue School next month.
11.The stranger was requested to leave the meeting.
12.All the dinner have been eaten since they finshed the conversation.
20.Why wasn't the roof mended before it fell in?
21.The policeman is said soon to die of cancer.
22.We are thought to being used too much electricity.
23.Millions of ton of rice are exported by Viet Nam every year.
24. Vietnamese people's Lunar New Year Festival is celebrated around January and February.
25.We are always advised to study harder by our teacher on the second term.
26.Over 5000 employees are employed by the Library of Congress in the USA.
27. Special Chinese Fried Rice is being made in the kitchen by my mother now.