改写下列句子的划线部分,使表达更加正式。 The victim was asked why he had not told the police sooner about the mugging. The older generation has always attempted to pass its wisdom on two young people. Stockman has always insisted that he is innocent . Robert claimed that he knew nothing of the damage to the car. The reporter had no option but to explain where he had got his information from . The doctors said he was that when they arrive at the scene of the accident. The judges said that Magda Karlson had won the competition. The charity does a great deal to inform people about his activities.