 Complete the following phrase:  During the 200607 season, MukhortovaTrankov placed fifth at Skate America and seventh at Cup of Russia. They then won the Russian national title, finishing nearly 14 points ahead of silver medalists Julia Obertas  Sergei Slavnov, but had to withdraw from the 2007 European Championships after Mukhortova sustained an injury in practice. The pair returned in time for the 