I have a child in the class who just turned three. Very smart. His parents are bilingual. Repeats words, phrases, or sentences you say in the third person. He can sit down and do work but when he is done he would start screaming or running around the room wall to wall. Then would have a hard time going back to work. He has a fascination with fans and makes fans out of most of the materials. Recently he has been pulling hair in random no apparent reason and no show of emotions toward the child. Are these signs of something about the child or just simply a child lacking communication skills that will come soon. Thanks.