1
1. Chinese is being spoke in Singapore.
2. The Taj Mahal was built in the 17th century.
3. Our university has been opened in 1969.
4. You have been invited to Maria's party?
5. Passengers were asked not to speak to the driver.
8/5.
1. is spoken
2. studied
3. was broken
4. are made
5. will be opened
6. was stopped
7. It's being repaired.
8. (там опечатка, are должно было принадлежать слову spoken) will be spoken
9. is played
10. (такая же опечатка с are) were brought