1. Billions of cans are thrown away every year all over the world.

2. The glass is collected and sent it to the factory.

3. Will the new school be opened next year?

4. The living-room is cleaned by his mother every day.

5. A lot of used paper was collected last month. (paper : N không dếm được --> số ít)

6.

- I won't be given a pen by Minh. 

- A pen won't be given to me by Minh.

7. A birthday party will be held for me by my parents next Saturday.

8. This cassette mustn't be used after 5:15 pm.

9. The first telephone was made a long time ago.

10. An English speaking contest will be held next week.

1. Billions of cans are thrown away every year all over the world.

2. The glass is collected and sent it to the factory.

3. Will the new school be opened next year?

4. The living-room is cleaned by his mother every day.

5. A lot of used paper was collected last month. (paper : N không dếm được --> số ít)

6.

- I won't be given a pen by Minh. 

- A pen won't be given to me by Minh.

7. A birthday party will be held for me by my parents next Saturday.

8. This cassette mustn't be used after 5:15 pm.

9. The first telephone was made a long time ago.

10. An English speaking contest will be held next week.