раскройте скобки,употребляя present continuous tense

Doctors, nurses and teachers make a great contribution to society. It certainly is. But for some reason, for example, famous players get much more. I don't agree with that. It's unfair. Doctors, admit, often save someone's life. Teachers teach the same future doctors, so that they can then get a medical education. I would add Fireman to the list of the most important professions. They certainly save the lives of thousands of people!! And it is not clear why, those who know how to kick the ball, get more of those who save your lives...

In 12 years it took part in the first competition of a song where took the second place. 
Justin and his mother started spreading the records on a site Youtube. It so skillfully sings someone else's songs that the Scooter which has seen its videos Brown immediately contacts Justin. The manager acquaints the 13-year-old boy with Asher (Usher) and Justin Timberlake, and soon it, having chosen the most favorable offer from Asher, signs the first contract with a musical label.In 2009 there is Justin's first single of One Time which gets at once on the twelfth place in the Canadian chart by results of sales. 
After a while there is the first album under the name "My world". The second leaves in 2010. The album took the sixth place in the American chart, having been on sale in the first week in number of 137000 copies, and also became number one in Canada where received the status of the platinum Singer.
Justin shot the movie about himself "Never say never" I advise to look after all there at everything it is told about his life.Now Justin consists in the relations with Selena Gomez.
In twitter at it more than 20000000 million subscribers are.