Change the following sentences into passive voice:
1. The hairdresser is cutting Mary's hair now.
-Mary is having her hair______________________________.
-Mary is having the hairdresser ___________________________.
2. People know that English is an international language.
-It is known____________________________.
-English is known _____________________________.
3. They said that she won a competition.
-_______________________________________.
-_______________________________________.
4. They reported that the President had suffered a heard attack.
-________________________________________.
-________________________________________.
5. They needs to clean the windows.
-_________________________________________.
-______________________________________.