Complete the following sentence: Four years later, Choi qualified for two swimming events at the 2012 Summer Olympics in London by clearing FINA A-standard entry times of 2:13.00 (200 m individual medley) and 2:08.81 (200 m butterfly) from the FINA World Championships in Shanghai, China. Choi qualified for two swimming events at the 2012 Summer Olympics in London by clearing FINA A-standard entry times of 2:13.00 (200 m individual medley) and 2:08.81 (200 m butterfly) from the FINA World Championships in Shanghai, China. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ She placed twenty-fourth in the preliminary heats, and did not advance further into the semifinals.<unk> She placed twenty-fourth in the preliminary heats, and did not advance further into the semifinals.<unk> She placed twenty-fourth in the preliminary heats, and did not advance further into the semifinals. Unlike her previous Olympics, Choi registered a tenth fastest time of 2:08.45 in the
200 m butterfly<unk> to secure her spot for the semifinals on the morning's preliminary heats.<unk> 200 m butterfly<unk> to secure her spot for the semifinals on the morning's preliminary heats.<unk> <unk> <unk> <unk> <unk>