 Complete the following phrase:  Bourdais returned to F1 in 2007 after being given several tests with Scuderia Toro Rosso. On 10 August 2007 it was announced Bourdais would replace Vitantonio Liuzzi at Red Bulls b-team, Toro Rosso, as team-mate to Sebastian Vettel. On 16 March 2008 Bourdais competed in his first Formula One Championship race, the 2008 Australian Grand Prix in Melbourne. After qualifying in 17th position he took advantage of mistakes made by other drivers, in the first Formula One race since the 