HElp mình câu này với ạ. Viết sang bị động: 1. They sell these computer game all over the world. => 2. How do people make candles? => 3. The professor is going to show students an old bone. => 4. Mary didn't take this photo. => 5. Nothing can change my mind. => 6. Have they changed the window of the laboratory? => 7. What books are people reading this year? => 8. Our body cannot make essential fatty acids or vitamins, so we must obtain them through diet. =>

1, these computer game are sold allover the world

2, how are candles made?

3, students are going to be showed an old bone by the professor.

4, this photo wasn't taken.

5, my mind can be changed.

6, has the window of the laboratory changed ?

7, what are books being read this year?

8, essential fatty acids or vitamins cannot be made by our body, so we must obtain them through diet.

1: These computer games are sold all over the world.

2: How are candles made ?

3: Students are going to be showed an old bone by the professor.

4: This photo wasn't taken by Mary.

5: My mind can't be changed.*

6: Has the window of the laboratory been changed?

7: What books are being read this year ?

8: Essential fatty acids or vitamins can't be made by our body, so we must obtain them through diet.

 - Hope this help -