1. You must put out all smoking materials. (passive voice)

→ All smoking materials should be put out.

2. You must fasten the seat belt. (passive voice)

→ The seat belt must be fastened.

3. Our government will make more progress in gender discrimination. (passive voice)

→ More progress in gender discrimination will be made by our government.

4. You should read the safety instruction. (passive voice)

→ The safety instruction must be read.

5. They need not buy bread. (passive voice)

→  Bread need not be bought.

6. People have shown more than 50 films in Hanoi since June. (passive voice)

→ more than 50 films have been shown since June in Hanoi.

7. Will they teach French in our school next year? (passive voice)

→ Will French be taught in our school next year?

8. Very young children shouldn't eat sugary food. (passive voice)

→ Sugary food shouldn't be eaten by very young children.

9. The living room isn't as large as the kitchen. (than)

→ The kitchen is larger than the living room.

10. This train is more convenient than all the others. (most)

→ This train is the most convenient.

 Cho xin câu trả lời hay nhất nha

My answer

1,All smoking materials must be put .
2,The seat belt must be fastened .

3, More progress will be made in gender discrimination by our government 

4, the safety instruction should be read!

5.Bread need not be bought

6. More than 50 films have been shown in hanoi since June 

7.will france be taught in our school next year?

8. Sugar food shouldn’t be eaten by very young children 

9.The kitchen is larger than the living room

10. This train is the most convenient 

 Cho xin câu trả lời hay nhất nha !