During the winter vacation, Li Ming, Cao Qiang and Wang Jian each did two good things. But no one would talk about what they had done. The little reporter learned that: (1) Li Ming and their three did six good things, such as helping the military family clean up, repairing desks and chairs, taking part in the duty of the neighborhood committee, checking watches and handing them to the police, helping students make up lessons and sweeping snow on the road. (2) when Cao Qiang arrived at the military family home, he found that they had already cleaned (3) after the beginning of school, Li Ming learned that one of the students in the class insisted on helping the students make up lessons every day, and the other helped the military clean up. (4) the police went to the neighborhood committee to ask the students on duty whether they knew the students who had checked the watch. (5) the teacher praised the students who had checked the watch and handed it to the police, and he modestly said that he would learn from the students who repaired tables and chairs. (6) Cao qianghe Wang Jian learned from the neighborhood committee that the students who found the watches were their classmates. (7) the students who repaired the desks and chairs were too busy to help them make up lessons. Please answer: what's the good thing Li Ming did___ What is Cao Qiang doing___ What is Wang Jian doing___ ．

During the winter vacation, Li Ming, Cao Qiang and Wang Jian each did two good things. But no one would talk about what they had done. The little reporter learned that: (1) Li Ming and their three did six good things, such as helping the military family clean up, repairing desks and chairs, taking part in the duty of the neighborhood committee, checking watches and handing them to the police, helping students make up lessons and sweeping snow on the road. (2) when Cao Qiang arrived at the military family home, he found that they had already cleaned (3) after the beginning of school, Li Ming learned that one of the students in the class insisted on helping the students make up lessons every day, and the other helped the military clean up. (4) the police went to the neighborhood committee to ask the students on duty whether they knew the students who had checked the watch. (5) the teacher praised the students who had checked the watch and handed it to the police, and he modestly said that he would learn from the students who repaired tables and chairs. (6) Cao qianghe Wang Jian learned from the neighborhood committee that the students who found the watches were their classmates. (7) the students who repaired the desks and chairs were too busy to help them make up lessons. Please answer: what's the good thing Li Ming did___ What is Cao Qiang doing___ What is Wang Jian doing___ ．

Li Ming's good deeds are to pick up his watch and hand it to the police to sweep the snow on the road; Cao Qiang's good deeds are to help his classmates make up lessons and attend the duty of the neighborhood committee; Wang Jian's good deeds are to help the military family clean up and repair desks and chairs;