Put the following into the passive voice.

1.      They have provided the victims with food and clothing.

      ________________________________________________________________

2.      People speak English in almost every corner of the world.

      _______________________________________________________________

3.      You mustn’t use this machine after 5:30 p.m.

      ________________________________________________________________

4.      Luckily for me, they didn’t call my name.

      ________________________________________________________________

5.      After class, one of the students always erases the chalk board.

      ________________________________________________________________

6.      You must clean the wall before you paint it.

      _________________________________________________________________

7.      They told the new pupil where to sit.

      _________________________________________________________________

8.      they told him of the meeting.

      ________________________________________________________________

9.      Nobody has ever treated me with such kindness.

      ________________________________________________________________

10.   No one believes his story.

      ________________________________________________________________

11.   A sudden increase in water pressure (viẹc tăng áp lực nước đột ngột) may break the dam (đập).

      ________________________________________________________________

12.   We must take good care of books borrowed from the library.

      ________________________________________________________________

13.   A man told me about it.

      ________________________________________________________________

14.   We can never find him at home.

      ________________________________________________________________

15.   They use milk for making butter and cheese.

      ________________________________________________________________

16.   Science and Technology have completely(hoàn toàn) changed human life.

       _________________________________________________________________

17.   John will visit My Cole at weekend.

      ________________________________________________________________

18.   Weeds(cỏ dại) cover (phủ) the river bank (bờ).

      ________________________________________________________________

19.   Smoke filled the room.

      ________________________________________________________________

Giúp mình với các bạn!

Question 13. People don’t care much about environment, so they keep making it worse.

→ If people____________________________________________________________

Question 14. They have provided the victims with food and clothing.

→ The victims__________________________________________________________                                                                       

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 5

A. avoid

B. without

C. not

D. no

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 2

A. out

B. in

C. go

D. fly

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 1

A. little

B. a little

C. few

D. a few

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 3

A. hills

B. forests

C. jungles

D. woods

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 3

A. moats

B. ditches

C. dams

D. bridges

11. The children looked at the women with a red hat.

-> ...................................................................................................

12. They have provided the victims with food and clothing.

->  .........................................................................................................

13. The teacher explains the lesson.

->  ...............................................................................................

14. Mrs Green is cooking the food in the kitchen.

-> .......................................................................................................

15. The doctor examined the patients.

->  ..................................................................................................