[即学即练] 单句语法填空/同义句改写
①I am happy to know you are in charge of a teenager art exhibition next month.
②How much did he charge you for repairing this pair of shoes?
③She charged him with stealing her car.
④He's in charge of the hospital.
→The hospital is in his charge.
⑤The shop fixed my watch for free.
→The shop fixed my watch free of charge.