1 People use the Internet all over the world. 

The Internet is used all over the world.

2. Did the police find the missing girl? 

Was the missing girl found by the police?

3. Large numbers of tourists visit these tourist attractions annually. 

These tourist attractions are visited by large numbers of tourists.

4/They built Po Nagar Cham Towers to honour the goddess Po Nagar.

Po Nagar Cham Towers were built to honour the godness Po Nagar.

5/Tourists don't visit this museum very often.

The museum isn't visited by tourists very often.

6/She bought all this cheese in France.

all this cheese was bought in France by her.

7/They did't invite me to their New Year party.

I wasnt invited to their New Year party.

8/Do they sell mineral water in plastic bottles?

Is mineral water sold in plastic bottles?

9/People consider the Imperial Academy the first university in Vietnam.

The Imperial academy is considered to be the first university in Vietnam.

10/When did UNESCO rscognise Ha Long Bay as a World Heritage Site?

When was Ha Long Bay recognised as a world Heritage Site by the UNESCO?

1 People use the Internet all over the world.

=>The Internet is used all over the world.

2. Did the police find the missing girl?

=>Was the missing girl founded by the police ?

3. Large numbers of tourists visit these tourist attractions annually.

=>These tourists attractions are visited annualy by large numbers of tourists.

4. They built Po Nagar Cham Towers to honour the goddess Po Nagar

=> Po Nagar Cham Towers is built to honour the godness Po Nagar.

5. Tourists don't visit this museum very often.

=>This museum isn't visited very often by tourists.

6. She bought all this cheese in France.

=>All this chese were bought in France.

7. They didn't invite me to their New Year party.

=>I wasn't invited to their New Year party.

8. Do they sell mineral water in plastic bottles?

=>Are mineral water in plastic bottles sold ?

9. People consider the Imperial Academy the first university in Vietnam.

=>The Imperial Academy is considered the first university in VN

10. When did UNESCO recognise Ha Long Bay as a World Heritage Site?

=>When was Ha Long Bay recognised as a world heritage site by UNESCO ?